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3-Chlorobut-2-enoic acid

HCID 643137
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Basic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
55831-56-6
Standard SMILES
C/C(Cl)=C/C(=O)O
InChIKey
XBOTUWGQYMHUFO-IHWYPQMZSA-N
Molecular formula
C4H5ClO2
Average molar mass
120.53 g/mol
Monoisotopic mass
119.9978071

Names & identifiers

Preferred name
3-Chlorobut-2-enoic acid
IUPAC
(Z)-3-chlorobut-2-enoic acid
English name
3-Chloro-but-2-enoic acid
Molecular formula
C4H5ClO2
Molecular weight
120.53

Names & synonyms

3-chlorobut-2-enoic acidRefChem:500469842-939-655831-56-6(Z)-3-chlorobut-2-enoic acid2-Butenoic acid, 3-chloro-(2Z)-3-Chloro-2-butenoic acid3-Chlorocrotonic acid3-Chloro-2-butenoic acid(2Z)-3-chlorobut-2-enoic acidcis-3-Chlorocrotonic acid2-butenoic acid, 3-chloro-, (2Z)-
Show more names
3-Chloro-but-2-enoic acid(2Z)-3-Chloro-2-butenoic acid - [C89202]
NSC-26132NSC-895593-Chloro-cis-crotonic acidcis-.beta.-Chlorocrotonic acidss-ChlorcrotonsaureCrotonic acid, 3-chloro-, (Z)-2-Butenoic acid, 3-chloro-, (Z)-3-chlorobut-2-enoicacid

Database identifiers

CAS
55831-56-6、6213-90-7
PubChem CID
643137
DTXSID
DTXSID70349115
UNII
AB5M4E35XZ
EC Number
842-939-6
Nikkaji
J135.986J

Properties

Computed structural properties

XLogP
1
Topological polar surface area
37.3 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
2
Rotatable bonds
1
Heavy atoms
7
Formal charge
0
Complexity
106

Experimental & physicochemical properties

SpringerMaterials PropertiesFusion temperature

Physicochemical properties

Melting point
61 °C · 61°C
Boiling point
148.96 °C · 148.96°C (rough estimate)
Density
1.1905 · 1.1905
refractive index
1.4704 · 1.4704 (estimate)
storage temp.
2 · Storage temp. 2-8°C
pka
4.1 · 4.10
Appearance
White to light yellow Solid

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Danger

H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)

The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.

Hazard information

Hazard Classes and CategoriesSkin Corr. 1B (100%)

Chemistry & industry

Suppliers3 total

HANGZHOU LEAP CHEM CO., LTD.+86-571-87711850 +86-15355479329 · [email protected]
上海皓鸿生物医药科技有限公司400-8210725 4008210725 · [email protected]
都创(上海)医药科技股份有限公司021-58099077-8041 18601625411 · [email protected]

Related reactions

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Compound notes

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On this pageBasic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes