| Identification | More | [Name]
Crotonic anhydride | [CAS]
623-68-7 | [Synonyms]
2-butenoic anhydride
CROTONIC ANHYDRIDE
TRANS-2-BUTENOIC ANHYDRIDE
2-Butenoicacid,anhydride
anhydridkyselinykrotonove
crotonicacidanhydride
2-Butensureanhydrid
CROTONSAEUREANHYDRID
trans-crotonic acid anhydride
Bis[(E)-2-butenoic acid]anhydride
Biscrotonic anhydride
Dicrotonic anhydride
Bis(2-butenoic)anhydride
Di(2-butenoic)anhydride | [EINECS(EC#)]
210-807-1 | [Molecular Formula]
C8H10O3 | [MDL Number]
MFCD00009286 | [Molecular Weight]
154.16 | [MOL File]
623-68-7.mol |
| Chemical Properties | Back Directory | [Melting point ]
-20°C | [Boiling point ]
248 °C(lit.) | [density ]
1.04 g/mL at 25 °C(lit.)
| [vapor pressure ]
1 hPa (25 °C) | [refractive index ]
n20/D 1.473(lit.)
| [Fp ]
231 °F
| [storage temp. ]
Store below +30°C. | [solubility ]
soluble in Ether | [form ]
clear liquid | [color ]
Colorless to Light orange to Yellow | [InChI]
1S/C8H10O3/c1-3-5-7(9)11-8(10)6-4-2/h3-6H,1-2H3/b5-3+,6-4+ | [InChIKey]
VJDDQSBNUHLBTD-GGWOSOGESA-N | [SMILES]
O(C(=O)\C=C\C)C(=O)\C=C\C | [CAS DataBase Reference]
623-68-7(CAS DataBase Reference) | [EPA Substance Registry System]
623-68-7(EPA Substance) |
| Questions And Answer | Back Directory | [Uses]
Crotonic anhydride belongs to the organic chemical intermediates, is an important organic chemical raw materials, in the dyestuff industry is used as fur dyes, reactive dyestuffs intermediates; in the cosmetic industry is used as a high-grade cosmetics, such as skin creams, hair conditioners, shampoos, creams, and other additives; in the pharmaceutical industry as a pharmaceutical antimicrobial drugs, sulfonamides as raw materials for drugs. Crotonic anhydride can also be used in the preparation of butenoic acid fiber and coal dye, hair dye, color developer, epoxy resin curing agent, petroleum additives, rubber antioxidants and other synthetic. |
| Safety Data | Back Directory | [Hazard Codes ]
C | [Risk Statements ]
R34:Causes burns. | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) . | [RIDADR ]
UN 3265 8/PG 3
| [WGK Germany ]
3
| [RTECS ]
GQ6125000 | [Autoignition Temperature]
290 °C | [TSCA ]
TSCA listed | [REACH Registrations]
Active | [HazardClass ]
8 | [PackingGroup ]
III | [HS Code ]
29161900 | [Storage Class]
8A - Combustible, corrosive hazardous materials | [Hazard Classifications]
Aquatic Acute 1
Eye Dam. 1
Skin Corr. 1B | [Safety Profile]
Moderately toxic by
ingestion. A skin irritant. When heated to
decomposition it emits acrid smoke and
irritating fumes. | [Hazardous Substances Data]
623-68-7(Hazardous Substances Data) | [Toxicity]
LD50 orally in Rabbit: 2061 mg/kg |
|
| Company Name: |
J & K SCIENTIFIC LTD.
|
| Telephone: |
18210857532 18210857532 |
| Website: |
https://www.jkchemical.com |
| Company Name: |
Energy Chemical
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| Telephone: |
400-0056266 |
| Website: |
www.energy-chemical.com |
| Company Name: |
China Langchem Inc.
|
| Telephone: |
0086-21-58956006 |
| Website: |
www.chemicalbook.com/ShowSupplierProductsList19141/0_EN.htm |
| Company Name: |
Maya High Purity Chemicals
|
| Telephone: |
+86 (573) 82222445 (0)18006601000 452520369 |
| Website: |
www.chemicalbook.com/ShowSupplierProductsList15221/0_EN.htm |
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