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DL-2-Methylbutyryl chloride

CAS No.
57526-28-0
Chemical Name:
DL-2-Methylbutyryl chloride
Synonyms
2-Methylbutanoyl chloride;(+/-)-butanoylchlorid;2-METHYLBUTYRYL HLORIDE;2-METHYLBUTYRYL CHLORIDE;2-METHYLBUTYROYL CHLORIDE;2-Ethylpropanoyl chloride;Ethylmethylacetylchloride;DL-2-METHYLBUTYRL CHLORIDE;DL-2-METHYLBUTYRYL CHLORIDE;2-Methylbutyrylchloride,99%
CBNumber:
CB7299784
Molecular Formula:
C5H9ClO
Molecular Weight:
120.58
MDL Number:
MFCD00041726
MOL File:
57526-28-0.mol
MSDS File:
SDS
Last updated:2026-05-28 02:44:00

DL-2-Methylbutyryl chloride Properties

Boiling point 117-121 °C (lit.)
Density 0.972 g/mL at 25 °C (lit.)
refractive index n20/D 1.418(lit.)
Flash point 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 Butanoyl chloride, 2-methyl- (57526-28-0)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Flame (GHS02)Corrosion (GHS05)
GHS02,GHS05
Signal word  Danger
Hazard statements  H225-H314
Precautionary statements  P210-P233-P240-P280-P303+P361+P353-P305+P351+P338
Hazard Codes  F,C
Risk Statements  11-34
Safety Statements  16-26-36/37/39-45
RIDADR  UN 2924 3/PG 2
WGK Germany  3
TSCA  TSCA listed
HazardClass  3
PackingGroup  II
HS Code  29130000
REACH Registrations Active
Limited Quantities 1.0 L (0.3 gallon) (liquid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
3
3 0

DL-2-Methylbutyryl chloride price More Price(16)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 476471 2-Methylbutyryl chloride 97% 57526-28-0 5g $82.5 2026-04-30 Buy
Biosynth FM182848 2-Methylbutyryl chloride 57526-28-0 25g $150 2026-06-04 Buy
Biosynth FM182848 2-Methylbutyryl chloride 57526-28-0 10g $150 2026-06-04 Buy
Biosynth FM182848 2-Methylbutyryl chloride 57526-28-0 50g $214 2026-06-04 Buy
Biosynth FM182848 2-Methylbutyryl chloride 57526-28-0 100g $357 2026-06-04 Buy
Product number Packaging Price Buy
476471 5g $82.5 Buy
FM182848 25g $150 Buy
FM182848 10g $150 Buy
FM182848 50g $214 Buy
FM182848 100g $357 Buy

DL-2-Methylbutyryl chloride Chemical Properties,Uses,Production

Chemical Properties

clear colorless to light yellow liquid

Uses

2-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 Description

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

DL-2-Methylbutyryl chloride Preparation Products And Raw materials

Global( 78)Suppliers
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J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Shanghai Longsheng chemical Co.,Ltd. 58099637 13585536065 sales@shlschem.com China 9880 59
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771 sales@heowns.com China 14412 57
Thermo Fisher Scientific 800-810-5118 cnchemical@thermofisher.com China 17752 75
Shanghai T&W Pharmaceutical Co., Ltd. +86 21 61551611 China 9874 58
Finetech Industry Limited 027-87465837 19945049750 sales@finetechnology-ind.com China 9331 58
(+/-)-butanoylchlorid Butanoyl chloride, 2-methyl-, (± Butanoyl chloride, 2-methyl-, (.+/-.)- DL-2-METHYLBUTYRYL CHLORIDE 2-METHYLBUTYROYL CHLORIDE 2-METHYLBUTYRYL CHLORIDE 2-METHYLBUTYRYL HLORIDE DL-2-METHYL-N-BUTYRYL CHLORIDE (RS)-2-Methylbutyryl chloride DL-2-METHYLBUTYRL CHLORIDE (DL)-2-Methylbutanoyl chloride (RS)-2-Methylbutanoyl chloride 2-Ethylpropanoyl chloride 2-Methylbutyric acid chloride rac-[(2R*)-2-Methylbutyryl] chloride DL-2-Methylbutyryl chloride,98% 2-Methylbutyrylchloride,99% 2-Methylbutyryl chloride 97% 2-Dimethyl Butyryl Chloride Ethylmethylacetylchloride 2-Methylbutanoyl chloride 57526-28-0 C2H5CHCH3COCl Carbonyl Compounds Building Blocks Acid Halides Organic Building Blocks Acid Halides Building Blocks Carbonyl Compounds Chemical Synthesis Organic Building Blocks Acid Halides Carbonyl Compounds Organic Building Blocks