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W222208

Isobutyric acid

≥99%, FCC, FG

Synonyme(s) :

Isobutanoic acid, 2-Methylpropionic acid

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A propos de cet article

Formule linéaire :
(CH3)2CHCO2H
Numéro CAS:
79-31-2
Poids moléculaire :
88.11
FEMA Number:
2222
Council of Europe no.:
6
UNSPSC Code:
12164502
PubChem Substance ID:
24900936
Flavis number:
8.006
EC Number:
201-195-7
NACRES:
NA.21
MDL number:
MFCD00002658
Beilstein/REAXYS Number:
635770
Organoleptic:
butter; acidic; rancid
Grade:
FG, Kosher
Biological source:
synthetic
Agency:
meets purity specifications of JECFA
Food allergen:
no known allergens
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biological source

synthetic

Quality Segment

300, 400

grade

FG, Kosher

agency

meets purity specifications of JECFA

reg. compliance

EU Regulation 1334/2008 & 872/2012, FCC, FDA 21 CFR 172.515

vapor density

3.04 (vs air)

vapor pressure

1.5 mmHg ( 20 °C)

assay

≥99%

autoignition temp.

824 °F

expl. lim.

10 %

refractive index

n20/D 1.393 (lit.)

bp

153-154 °C (lit.)

mp

−47 °C (lit.)

density

0.95 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

organoleptic

butter; acidic; rancid

SMILES string

CC(C)C(O)=O

InChI

1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)

InChI key

KQNPFQTWMSNSAP-UHFFFAOYSA-N

General description

Isobutyric acid is a volatile fatty acid that can be used as a flavoring agent. It occurs naturally in Ceratonia siliqua L. The gum obtained from the kernels of this species is used as a thickener in the food industry.

Application


  • Isobutyric acid enhances the anti-tumour effect of anti-PD-1 antibody.: This study presents groundbreaking research on how isobutyric acid can enhance the efficacy of anti-PD-1 antibodies, offering significant implications for improving cancer immunotherapy treatments (Murayama et al., 2024).

Biochem/physiol Actions

Odor at 10 ppm
Taste at 15 ppm

Other Notes

Natural occurrence: Roman chamomile, strawberry, dairy products.

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Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B

Classe de stockage

3 - Flammable liquids

wgk

WGK 1

flash_point_f

131.0 °F - closed cup

flash_point_c

55 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificats d'analyse (COA)

Lot/Batch Number

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