TECHNICAL DATA SHEET
CHEMICAL NAME:2.2-(4.4-diphenolvinyly)dibenzoxazol
CAS NO.:1533-45-5

COMMODITY	Optical Brightener OB-1
SPECIFICATION
ITEMS	STANDARD
APPEARANCE	Bright Yellow Crystalline Powder
PURITY	Min98.5%
MELTING POINT	355~360℃
LOSS ON DRYING	Max0.5%

MATERIAL SAFETY DATA SHEET

The goods is classified as NOT RESTRICTED as per IATA Dangerous Goods Regulations, 56th Edition, Effective 1 January 2014

PRODUCT NAME: OPTICAL brightener OB-1
Product Identification Number(s): 20337-00, P2033701,P2033702
Manufacturer/Supplier: HEBEI XINGYU CHEMICAL CO.,LTD.
Shijing countryside, Luquan city, Hebei, China 050200
MSDS Prepared by: HEBEI XINGYU CHEMICAL CO., LTD.
Chemical Name: Benzoxazole,2,2’-(1.2-ethenediyldi-4,1-phene)bis
Synnym(s): 911727
Molecular Weight: 414.47
Product Use: Plastic additive
OSHA Status: nonhazardous
Molecular Formula: C28H18N2O2

Weight%             Component:                                           CAS Registry No.
95-100%             4,4’-bis(2-benzoxazolyl)stilbene         1533-45-5
0-5%                     Impurities                                                 Not applicable


CAUTION!
POWDERED MATERIAL MAY FROM EXPLOSIVE DUST-AIR MIXTURES
HMIS Hazard Ratings:         Health-1,Flammability-1,Chemical Reactivity
NOTE: HMIS rating involves data interpretations that may vary from company to company. They are intended only for rapid, general identification of the magnitude of the specific hazard. To deal adequately with the safe handling of this material, all the information contained in this MSDA must be considered.


Inhalation: If symptomatic, move to fresh air. Get medical attention if symptoms persist.
Eyes: Any material that contacts the eye should be washed out immediately with water. If easy to do, remove contact lenses. Get medical attention if symptoms persist.
Skin: Wash with soap and water. Get medical attention if symptoms occur. Ingestion: Seek medical advice.


Extinguishing Media: water spray, dry chemical
Special Fire-Fighting Procedures: Wear self-contained breathing apparatus and protective clothing.
Hazardous Combustion Products: carbon dioxide, carbon monoxide, oxides of nitrogen Unusual Fire and Explosion Hazards: Powdered material may for explosive dust-air mixtures.
Sensitivity to Static Discharge: This material exhibits low minimum ignition energy which indicates and unusual susceptibility to ignition by electrostatic discharge.


Sweep or scoop up and remove.


Personal Precautionary Measures: No special precautionary health measures should be needed under anticipated conditions of use.
Prevention of Fire and Explosion: keep from contact with oxidizing materials. Minimize dust generation and accumulation. In the United States of America, refer to NFPA Pamphlet No.654,”Prevention of Fire and Dust explosions in the Chemical, Dye, Pharmaceutical, and Plastics Industries.”
Storage: Keep container closed.


Country specific exposure limits have not been established or are not applicable unless listed below.
Ventilation: Good general ventilation (typically 10 air changes per hour) should be used. Ventilation rates should be matched to conditions/Supplementary local exhaust ventilation, closed systems. or respiratory protection may be needed in special circumstances such as poorly ventilated spaces, mechanical generation of dusts. heating, drying, etc.
Respiratory Protection: If engineering controls do not maintain airborne concentrations to an acceptable level, an approved respirator must be worn. In the United States of America, if respirators are used, a program should be instituted to assure compliance with OSHA Standard 63 FR 1152,January 8,1998. Respirator type: dust
Eye Protection: It is a good industrial hygiene practice to minimize eye contact.
Skin Protection: It is a good industrial hygiene practice to minimize skin contact.
Recommended Decontamination Facilities: eye bath, washing facilities, safety shower


APPEARENCE : Powder
Physical Form: solid (powder)
Color: Yellow
Odor: odorless
Specific Gravity:1.39 (25℃)
Melting Pint: 359℃
Solubility in Water: 0.02g/Inegligible
Flash Point: not applicable, combustible solid
Thermal Decomposition Temperature: (HPDSC) No exotherm to 400℃


Stability: Stable
Incompatibility: Material reacts with strong oxidizing agents.
Hazardous Polymerization: Will not occur


Toxicity data are not available unless listed below:
Oral LD-50: (rat)                                         >3,200 mg/kg (highest dose tested)
Oral LD-50: (MOUSE)                               >3,200 mg/kg (highest dose tested)
Dermal LD-50:                                                   >1,000 mg/kg (highest dose tested)
Skin Irritation(guinea pig)                               slight
Skin Irritation(guinea pig)                               Slight irritation
Eye Irritation (rabbit, unwashed eyes)         Slight
Skin Sensitization: guinea pig                     none


Oxygen Demand Data:
COD: 2,260 mg/g
Acute Aquatic Effects Data:
96 h L C-50 (fathead minnow): >0.02 mg./1 (limit of solubility in fresh water)
96 h L C-50 (sideswimmer): > 0.02 mg./1 (limit of solubility in fresh water)
96 h L C-50 (daphnia): >0.02 mg/1 (limit of solubility in fresh water)
96 h L C-50 (ram horn snail): >0.02 mg/1 (limit of solubility in fresh water)


Discharge, treatment, or disposal may be subject to national, state, or local laws. Incinerate.


14.1 UN number Item is not restricted or not regulated as per IATA.
14.2 UN proper shipping name Item is not restricted or not regulated as per IATA.
14.3 Transport hazard class(es) Item is not restricted or not regulated as per IATA.
14.4 Packing group
14.5 Environmental hazards
14.6 Special precautions for user The product is not classified as a hazardous material according to the DOT, ADR/RID, IMDG, IATA on the transport of dangerous or hazardous goods.
14.7 Transport in bulk according to Annex 11 of MARPOL73/78 and the IBC Code


WHMIS(Canada) Status: noncontrolled
SARA 313: none, unless listed below
Carcinogenicity Classification (components present at 0.1% or more): none, unless listed below
TSCA(US Toxic Substances Control Act): This product is listed on the TSCA inventory. Any impurities present in this product are exempt from listing.
EINECS(European Inventory of Existing Commercial Chemical Substances): This product is listed on EINECS. EINECS Number: 216-245-3 AICS/NICNAS(Australian Inventory of Chemical Substances and National Industrial Chemicals Notification and Assessment Scheme):This product is listed on AICS or otherwise complies with NICNAS.
MITI(Japanese Handbook of Existing and New Chemical Substances): This product is listed in the Handbook or has been approved in Japan by new substance notification. ECL(Korean Toxic Substances Control Act): This product is listed on the Korean inventory or otherwise complies with the Korean Toxic substances Control Act.


The information contained herein is based on current knowledge and experience; no responsibility is accepted that the information is sufficient or correct in all cases. Users should consider these data only as a supplement to other information Users should make independent determinations of suitability and completeness of information from alol sources to assure proper use and disposal of these materials, the safety and health of employees and customers, and the protection of the environment.

Technical Data Sheet OB
CAS NO.:7128-64-5

COMMODITY	Optical Brightener OB		Lot #： 28150419	Date： April 13, 2015
			Quantity： 150g
SPECIFICATION
ITEMS	STANDARD		RESULT
APPEARANCE	light yellow or milk white powder		Light yellow powder
PURITY	Min99.0%		99.79%
MELTING POINT	201~205 ℃		201.3~202.2 ℃
LOSS ON DRYING	Max0.5%		0.24%
TRANSMITTANCE	450nm Min 98.0%	500nm Min 99.0%	450nm 98.0%	500nm 99.2%
ASH	Max 0.2%		0.03%
RESULT	Qualified(signature)

MATERIAL SAFETY DATA SHEET

The goods is classified as NOT RESTRICTED as per IATA Dangerous Goods Regulations, 56th Edition, Effective 1 January 2014

MSDS FOR Optical Brightener OB

**** SECTION 1 - CHEMICAL PRODUCT AND COMPANY IDENTIFICATION ****

MSDS Trade Name: Optical Brightener OB
Synonym: C.I.Fluorescent brightener 184
CAS NO.:7128-64-5
Formula:C26H26N2O2S

**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

CAS#                 Chemical Name                 %       EINECS#

<<7128>>-<<64>>-<<5>> Fluorescent brightener OB 100.0 230-426-4

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Appearance: lime green.
Caution! The toxicological properties of this material have not been fully investigated. May cause eye and skin irritation. May cause respiratory and digestive tract irritation.
Target Organs: None.
Potential Health Effects
Eye:
        May cause eye irritation.
Skin:
        May cause skin irritation.
Ingestion:
        May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
Inhalation:
        May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Chronic:
        No information found.

**** SECTION 4 - FIRST AID MEASURES **** Eyes:
        Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
        Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
        If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
Inhalation:
        Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Get medical aid.
Notes to Physician:
        Treat symptomatically and supportively.

**** SECTION 5 - FIRE FIGHTING MEASURES ****
General Information:
        As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
        Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
        Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.

**** SECTION 7 - HANDLING and STORAGE ****
Handling:
        Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
        Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****
Engineering Controls:
        Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits
| Chemical Name         |         ACGIH |         NIOSH |OSHA - Final PELs| | Fluorescent brightener OB |none listed         |none listed         |none listed | OSHA Vacated PELs:
        BBOT, scintillation grade:
No OSHA Vacated PELs are listed for this chemical.
Personal Protective Equipment
Eyes:
        Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
        Wear appropriate protective gloves to prevent skin exposure.
Clothing:
        Wear appropriate protective clothing to prevent skin exposure.
Respirators:
        A respiratory protection program that meets OSHA's 29 CFR §1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****
Physical State: Powder
Appearance: lime green
Odor: Not available.
pH(ASIS): 6.2
(1% suspension in water)
Vapor Pressure (MM HG ): @ 20 deg C
~2 X 10(-10)
Vapor Density: Not available.
Evaporation Rate: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 202 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
NFPA Rating: (est.) Health: 1; Flammability: 0; Reactivity: 0
Explosion Limits, Lower: Not available.
Upper: Not available.
Decomposition Temperature:
Solubility:
Specific Gravity/Density: 1.26
(Water=1)@20 deg C
Molecular Formula: C26H26N2O2S
Molecular Weight: 430.57

**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
        Stable under normal temperatures and pressures.
Conditions to Avoid:
        Incompatible materials, dust generation, strong oxidants.
Incompatibilities with Other Materials:
        Strong oxidizing agents.
Hazardous Decomposition Products:
        Carbon monoxide, oxides of nitrogen, oxides of sulfur, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Will not occur.

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# <<7128>>-<<64>>-<<5>> unlisted. LD50/LC50:
No information available.
Carcinogenicity:
Fluorescent brightener OB
Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
Epidemiology:
No information available.
Teratogenicity:
No information available.
Reproductive Effects:
No information available.
Neurotoxicity:
No information available.
Mutagenicity:
No information available.
Other Studies:
No data available.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

**** SECTION 13 - DISPOSAL CONSIDERATIONS ****
Chemical waste generators must determine whether a discarded chemical is classif as a hazardous waste.
US EPA guidelines for the classification determination are listed in 40 CFR Part Additionally, waste generators must consult state and local hazardous waste regu ensure complete and accurate classification.
RCRA P-Series: None listed.
RCRA U-Series: None listed.

**** SECTION 14 - TRANSPORT INFORMATION ****
14.1 UN number Item is not restricted or not regulated as per IATA.
14.2 UN proper shipping name Item is not restricted or not regulated as per IATA.
14.3 Transport hazard class(es) Item is not restricted or not regulated as per IATA.
14.4 Packing group
14.5 Environmental hazards
14.6 Special precautions for user The product is not classified as a hazardous material according to the DOT, ADR/RID, IMDG, IATA on the transport of dangerous or hazardous goods.
14.7 Transport in bulk according to Annex 11 of MARPOL73/78 and the IBC Code

**** SECTION 15 - REGULATORY INFORMATION ****
US FEDERAL
TSCA
CAS# <<7128>>-<<64>>-<<5>> is listed on the TSCA inventory.
Health & Safety Reporting List
None of the chemicals are on the Health & Safety Reporting List.
Chemical Test Rules
None of the chemicals in this product are under a Chemical Test Rule.
Section 12b
None of the chemicals are listed under TSCA Section 12b.
TSCA Significant New Use Rule
None of the chemicals in this material have a SNUR under TSCA.
SARA
Section 302 (RQ)
None of the chemicals in this material have an RQ.
Section 302 (TPQ)
None of the chemicals in this product have a TPQ.
Section 313
No chemicals are reportable under Section 313.
Clean Air Act:
This material does not contain any hazardous air pollutants.
This material does not contain any Class 1 Ozone depletors.
This material does not contain any Class 2 Ozone depletors.
Clean Water Act:
None of the chemicals in this product are listed as Hazardous Substances under the CWA.
None of the chemicals in this product are listed as Priority Pollutants under the CWA.
None of the chemicals in this product are listed as Toxic Pollutants under the CWA.
OSHA:
None of the chemicals in this product are considered highly hazardous by OSHA.
STATE
BBOT, scintillation grade is not present on state lists from CA, PA, MN, MA, FL, or NJ.
California No Significant Risk Level:
None of the chemicals in this product are listed.
European/International Regulations
European Labeling in Accordance with EC Directives Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
S 28A After contact with skin, wash immediately with plenty of water.
S 37 Wear suitable gloves.
S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
WGK (Water Danger/Protection)
CAS# <<7128>>-<<64>>-<<5>>: 1
United Kingdom Occupational Exposure Limits
Canada
CAS# <<7128>>-<<64>>-<<5>> is listed on Canada's DSL/NDSL List.
This product has a WHMIS classification of D2B.
CAS# <<7128>>-<<64>>-<<5>> is not listed on Canada's Ingredient Disclosure List.
Exposure Limits

**** SECTION 16 - ADDITIONAL INFORMATION ****
MSDS Creation Date: 2/12/1999 Revision #2 Date: 8/10/2004 Revision #3 Date: 10/07/2005