ChemicalBook >>3,3',4,4'-Benzophenonetetracarboxylic dianhydride>>BTDA(2421-28-5)

BTDA(2421-28-5)

BTDA(2421-28-5)
Product IdentificationBack to Contents
【Product Name】

BTDA
【Synonyms】

1,3-Isobenzofurandione, 5,5'-carbonylbis-
5-(1,3-Dioxo2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione
Benzophenone-3,3':4,4'-tetracarboxylic dianhydride
【CAS】

2421-28-5
【Formula】

C17H6O7
【Molecular Weight】

322.23
【EINECS】

219-348-1
【Beilstein/Gmelin】

761777
【EC Index Number】

607-100-00-9
【EC Class】

Irritant
Physical and Chemical PropertiesBack to Contents
【Appearance】

odorless light yellow powder solid
【Solubility in water】

19 g/L (20 C)
【Melting Point】

220 - 223
【Boiling Point】

639
【Vapor Pressure】

3E-16 (25 C)
【Density】

1.570 g/cm3 (20 C)
【Partition Coefficient】

1.53
【Heat Of Vaporization】

94.3 kJ/mol
First Aid MeasuresBack to Contents
【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. Wash mouth out with water.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. 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.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Store protected from moisture. Store under nitrogen. Store in a cool, dry area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Do not allow contact with water. Wash clothing before reuse. Keep from contact with moist air and steam.
Hazards IdentificationBack to Contents
【Ingestion】

May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
【Inhalation】

Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
【Skin】

May cause skin irritation.
【Eyes】

Causes eye irritation.
【EC Risk Phrase】

R 36/37
【EC Safety Phrase】

S 25
【UN (DOT)】

3261
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

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. Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Fire Fighting MeasuresBack to Contents
【Flash Point】

324
【Autoignition】

505
【Fire Fighting】

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: Do NOT use water directly on fire. Use foam, dry chemical, or carbon dioxide. Do NOT get water inside containers.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation. Do not get water inside containers.
Stability and ReactivityBack to Contents
【Disposal Code】

4
【Stability】

Stable under normal temperatures and pressures. May decompose on exposure to moist air or water.
【Incompatibilities】

Strong oxidizing agents, strong acids, strong bases, moisture.
【Decomposition】

Carbon monoxide, carbon dioxide.
Transport InformationBack to Contents
【UN Number】

3261
【HS Code】

2918 30 00
Company Name:Forsman Scientific ( Beijing ) Co., Ltd.
Tel:+86-10-6464 6565
Fax:+86-10-6464 6568
WebSite:www.forsman.com.cn
Company Name:Chengdu Yuanda chemical co.,ltd
Tel:+86-28-85356300 Mob:18980937689 Skype:chemscu QQ:435018036
Fax:+86-28-85356300
WebSite:www.ydachem.com
Company Name:J & K SCIENTIFIC LTD.
Tel:400-666-7788 +86-10-82848833
Fax:+86-10-82849933
WebSite:www.jkchemical.com
Company Name:Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel:+86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
Fax:+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing)
WebSite:www.meryer.com
Company Name:Alfa Aesar
Tel:400-610-6006; 021-67582000
Fax:021-67582001/03/05
WebSite:www.alfachina.cn
Company Name:TCI (Shanghai) Development Co., Ltd.
Tel:021-67121386 / 800-988-0390
Fax:021-67121385
WebSite:www.tcichemicals.com
Company Name:BeiJing Hwrk Chemicals Limted
Tel:4006990298;010-57411839;0757-86311057;021-51691807
Fax:010-87653215;0757-86311057;021-55236763
WebSite:www.hwrkchemical.com
Company Name:Energy Chemical
Tel:021-58432009 / 400-005-6266
Fax:021-58436166-800
WebSite:www.energy-chemical.com