Name
|
|
EINECS
|
210-807-1
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CAS No.
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623-68-7
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Density
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1.038 g/cm3
|
PSA
|
43.37000
|
LogP
|
1.20840
|
Solubility
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N/A
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Melting Point
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72oC
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Formula
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C8H10O3
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Boiling Point
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247 °C at 760 mmHg
|
Molecular Weight
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154.166
|
Flash Point
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106.1 °C
|
Transport Information
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N/A
|
Appearance
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N/A
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Safety
|
26-36/37/39-45
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Risk Codes
|
34
|
Molecular Structure
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|
Hazard Symbols
|
C
|
Synonyms
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2-Butenoicacid, anhydride (9CI);Crotonic anhydride (6CI,7CI,8CI);2-Butenoic anhydride;Crotonic acid anhydride;NSC 97397;Crotonic Anhydride;
|
Article Data |
24
|
Crotonic Anhydride Synthetic route
Crotonic Anhydride Chemical Properties
Chemistry informtion about Crotonic Anhydride (CAS NO.623-68-7) is:
IUPAC Name: [(E)-But-2-Enoyl] (E)-But-2-Enoate
Synonyms: 2-Butenoicacid,Anhydride ; Anhydridkyselinykrotonove ; Crotonicacidanhydride ; Crotonic Anhydride ; 2-Butenoic Anhydride ; Trans-2-Butenoic Anhydride ; 2-Butensureanhydrid ; Crotonsaeureanhydrid
Product Categories: Pharmaceutical Intermediates
MF: C8H10O3
MW: 154.16
EINECS: 210-807-1
Density: 1.038 g/cm3
Flash Point: 106.1 °C
Boiling Point: 247 °C at 760 mmHg
Vapour Pressure: 0.0263 mmHg at 25°C
Enthalpy of Vaporization: 48.41 kJ/mol
Refractive Index: n20/D 1.473(lit.)
Following is the molecular structure of Crotonic Anhydride (CAS NO.623-68-7) is:
Crotonic Anhydride Toxicity Data With Reference
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
rat | LD50 | oral | 2830mg/kg (2830mg/kg) | | American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962. |
Crotonic Anhydride Consensus Reports
Reported in EPA TSCA Inventory.
Crotonic Anhydride Safety Profile
Moderately toxic by ingestion. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
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 the label whenever possible.)
RIDADR: UN 3265 8/PG 3
WGK Germany: 3
RTECS: GQ6125000
HazardClass: 8
PackingGroup III
Crotonic Anhydride Specification
To protect yourself, you can put on faceshields, full-face respirator (US), gloves, goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter.