CAS 57526-28-0 Butanoyl chloride, 2-methyl- (HCID 93697)

Names & identifiers

Preferred name: Butanoyl chloride, 2-methyl-
IUPAC: 2-methylbutanoyl chloride
English name: DL-2-Methylbutyryl chloride
Molecular formula: C5H9ClO
Molecular weight: 120.58

Names & synonyms

57526-28-0Butanoyl chloride, 2-methyl-(RS)-2-Methylbutyryl chlorideEINECS 260-787-3DTXSID70872039RefChem:571581DTXCID90819643260-787-32-Methylbutanoyl chloride2-Methylbutyryl chloridedl-2-Methylbutyryl chlorideDL-2-Methylbutyrylchloride

Show more names

(+/-)-butanoylchlorid2-METHYLBUTYRYL HLORIDE2-METHYLBUTYROYL CHLORIDE2-Ethylpropanoyl chlorideDL-2-METHYLBUTYRL CHLORIDE2-Methylbutyrylchloride,99%

EthylmethylacetylchlorideDl-2-Methyl-Butyryl Chloride5856-79-1MFCD000417261217722-29-62-methyl-butyryl chloride2-Methylbutanoyl chloride #SCHEMBL505184

Database identifiers

CAS: 57526-28-0
PubChem CID: 93697
DTXSID: DTXSID70872039
EC Number: 260-787-3

Properties

Computed structural properties

XLogP: 2.2
Topological polar surface area: 17.1 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 1
Rotatable bonds: 2
Heavy atoms: 7
Formal charge: 0
Complexity: 70.5

Physicochemical properties

Boiling point: 117 · 117-121 °C (lit.)
Density: 0.972 g/mL · 0.972 g/mL at 25 °C (lit.)
refractive index: 20 · n20/D 1.418(lit.)
Flash point: 68 °F · 68 °F
storage temp.: Refrigerator (+4°C) + Flammables area
form: Liquid
color: Clear colorless to light yellow
Water Solubility: Reacts with water.
NIST Chemistry Reference: Ethylmethylacetylchloride(57526-28-0)
EPA Substance Registry System: 2 · Butanoyl chloride, 2-methyl- (57526-28-0)
UNSPSC Code: 12352100 · 12352100
NACRES: 22 · NA.22
Symbol(GHS): 2 · GHS02,GHS05
Signal word: Danger
Hazard statements: 225 · H225-H314
Precautionary statements: 210 · P210-P233-P240-P280-P303+P361+P353-P305+P351+P338
Hazard Codes: F,C
Risk Statements: 11 · 11-34
Safety Statements: 16 · 16-26-36/37/39-45
RIDADR: 2924 · UN 2924 3/PG 2
WGK Germany: 3 · 3
TSCA: TSCA listed
HazardClass: 3 · 3
PackingGroup: II
HS Code: 29130000 · 29130000
REACH Registrations: Active
Limited Quantities: 1 L · 1.0 L (0.3 gallon) (liquid)
Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)

Safety & regulation

GHS classification

GHS Classification · 4 items

Danger

H225 (61.2%): Highly Flammable liquid and vapor [Danger Flammable liquids]

P210, P233, P234, P240, P241, P242, P243, P260, P261, P264, P264+P265, P272, P280, P301+P330+P331, P302+P352, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P321, P333+P317, P362+P364, P363, P370+P378, P390, P403+P235, P405, P406, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 242 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory InformationStatus: Active Update: 25-07-2017 https://echa.europa.eu/registration-dossier/-/registered-dossier/20378

Hazard Classes and CategoriesFlam. Liq. 2 (61.2%)

Safety data

wgk: 3
tsca: TSCA listed
ridadr: UN 2924 3/PG 2
hs_code: 29130000
risk_code: 11-34
Signal word: Danger
Symbol(GHS): GHS02,GHS05
hazard_code: F,C
safety_code: 16-26-36/37/39-45
hazard_class: 3
packing_group: II
Hazard statements: H225-H314
Limited Quantities: 1.0 L (0.3 gallon) (liquid)
Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
REACH Registrations: Active
Precautionary statements: P210-P233-P240-P280-P303+P361+P353-P305+P351+P338

Chemistry & industry

Uses & manufacturing

General Manufacturing InformationButanoyl chloride, 2-methyl-: ACTIVE

Applications

Uses2-Methylbutyryl chloride was used in the synthesis of 2-methylbutyramide, N-((R,S)-2-methylbutanoyl)salicylhydrazide, 2-methyl-1-phenyl-1-butanone, 1,1-(1,3,7,9-tetrahydroxydibenzofuran-2,6-diyl)bis(2-methylbutan-1-one).

General Description2-Methylbutyryl chloride is an acid chloride. It has been reported to be synthesized from 2-methylbutyric acid and thionyl chloride.