(2Z)-2,3-Dibromo-4-oxo-2-butenoic acid

Modify Date: 2024-01-03 13:59:20

(2Z)-2,3-Dibromo-4-oxo-2-butenoic acid Structure
(2Z)-2,3-Dibromo-4-oxo-2-butenoic acid structure
Common Name (2Z)-2,3-Dibromo-4-oxo-2-butenoic acid
CAS Number 488-11-9 Molecular Weight 257.865
Density 2.8±0.1 g/cm3 Boiling Point 408.9±45.0 °C at 760 mmHg
Molecular Formula C4H2Br2O3 Melting Point 120-124 °C(lit.)
MSDS Chinese USA Flash Point 201.1±28.7 °C
Symbol GHS05
GHS05
Signal Word Danger

 Names

Name Mucobromic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.8±0.1 g/cm3
Boiling Point 408.9±45.0 °C at 760 mmHg
Melting Point 120-124 °C(lit.)
Molecular Formula C4H2Br2O3
Molecular Weight 257.865
Flash Point 201.1±28.7 °C
Exact Mass 255.837051
PSA 54.37000
LogP 0.07
Vapour Pressure 0.0±2.2 mmHg at 25°C
Index of Refraction 1.744
Water Solubility methanol: 0.1 g/mL, clear

 Safety Information

Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H314
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes C:Corrosive;
Risk Phrases R34
Safety Phrases S26-S36/37/39-S45
RIDADR UN 3261 8/PG 2
WGK Germany 3
Packaging Group III
Hazard Class 8
HS Code 29183000

 Customs

HS Code 2918300090
Summary 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

 Articles1

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 Synonyms

Malealdehydic acid,dibromo
(Z)-2,3-dibromo-4-oxobut-2-enoic acid
2,3-Dibromomalealdehydic acid
Dibromo maleic monaldehyde
Bromomucic acid
2-Butenoic acid, 2,3-dibromo-4-oxo-, (2Z)-
MucobromicAcid
2,3-dibromo-4-oxo-cis-crotonic acid
Mucobromsaeure
EINECS 207-670-5
DIBROMOALDEHYDOACRYLIC ACID
3,4-Dibromo-5-hydroxy-2(5H)-furanone
(2Z)-2,3-Dibromo-4-oxobut-2-enoic acid
Dibromomalealdehydic acid
2,3-Dibrom-4-oxo-cis-crotonsaeure
2(5H)-Furanone, 3,4-dibromo-5-hydroxy-
(2Z)-2,3-Dibromo-4-oxo-2-butenoic acid
3,4-dibromo-5-hydroxyfuran-2(5H)-one
MFCD00063745
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