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Safety Information

243159

Sigma-Aldrich

Methyl (R)-3-hydroxybutyrate

99%

Synonym(s):

(-)-(3R)-3-Hydroxybutanoic acid methyl ester, (R)-β-Hydroxybutyric acid methyl ester, Methyl (-)-3-hydroxybutanoate, Methyl (-)-3-hydroxybutyrate, Methyl (3R)-hydroxybutanoate

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About This Item

Linear Formula:
CH3CH(OH)CH2CO2CH3
CAS Number:
3976-69-0
Molecular Weight:
118.13
Beilstein:
6130687
EC Number:
223-610-0
MDL number:
MFCD00063289
UNSPSC Code:
12352108
PubChem Substance ID:
24854601
NACRES:
NA.22

Quality Level

100

Assay

99%

optical activity

[α]20/D −19.5°, neat

optical purity

ee: 98% (GLC)

refractive index

n20/D 1.421 (lit.)

bp

56-58 °C/11 mmHg (lit.)

density

1.055 g/mL at 20 °C (lit.)

functional group

ester
hydroxyl

storage temp.

2-8°C

SMILES string

COC(=O)C[C@@H](C)O

InChI

1S/C5H10O3/c1-4(6)3-5(7)8-2/h4,6H,3H2,1-2H3/t4-/m1/s1

InChI key

LDLDJEAVRNAEBW-SCSAIBSYSA-N

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Related Categories

Application

Methyl (R)-3-hydroxybutyrate may be used in the preparation of (R)-(-)-3-hydroxybutanoic acid and poly-(R)-(-)-3-hydroxybutyrate.
Optically active starting material

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

163.4 °F - closed cup

Flash Point(C)

73 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

243159-VAR:
243159-BULK:
243159-1G:
243159-250MG:

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL7314
BCCJ4136
BCCH5140
BCCG1282
BCCD9980

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Synthesis of biodegradable polyesters by polycondensation of methyl (R)-3-hydroxybutyrate and methyl (R)-3-hydroxy-valerate.
Kobayashi T, et al.
Makromol. Chem., Rapid Commun., 14(12), 785-790 (1993)
Direct Degradation of the Biopolymer Poly [(R)-3-Hydroxybutyric Acid] to (R)-3-Hydroxybutanoic Acid and its Methyl Ester.
Seebach D, et al.
Organic Syntheses, 39-39 (1992)
Diya Alsafadi et al.
New biotechnology, 34, 47-53 (2016-05-26)
Olive mill wastewater (OMW), a highly polluting waste from the olive oil industry, was utilized as sole carbon source for the production of polyhydroxyalkanoate (PHA) by extremely halophilic Haloferax Mediterranei (H. mediterranei) in a one stage cultivation step. H. mediterranei
Xiao-Hong Chen et al.
PloS one, 9(4), e94543-e94543 (2014-04-18)
A novel carbonyl reductase (AcCR) catalyzing the asymmetric reduction of ketones to enantiopure alcohols with anti-Prelog stereoselectivity was found in Acetobacter sp. CCTCC M209061 and enriched 27.5-fold with an overall yield of 0.4% by purification. The enzyme showed a homotetrameric

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