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Merck

W222216

Isobutyric acid

greener alternative

natural, ≥99%, FCC, FG

Sinónimos:

2-Methylpropionic acid

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Fórmula lineal:
(CH3)2CHCO2H
Número CAS:
Peso molecular:
88.11
FEMA Number:
2222
Council of Europe no.:
6c
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
8.006
EC Number:
201-195-7
NACRES:
NA.21
MDL number:
Beilstein/REAXYS Number:
635770
Organoleptic:
butter; acidic; rancid
Grade:
FG, Fragrance grade, Kosher, natural
Agency:
follows IFRA guidelines, meets purity specifications of JECFA
Food allergen:
no known allergens
Servicio técnico
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Quality Level

grade

FG, Fragrance grade, Kosher, natural

agency

follows IFRA guidelines, meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009, EU Regulation 1334/2008 & 178/2002, FCC, FDA 21 CFR 117, 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 %

greener alternative product characteristics

Less Hazardous Chemical Syntheses
Use of Renewable Feedstocks
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

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

fragrance allergen

no known allergens

greener alternative category

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

We are committed to bringing you greener alternative products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product is Biobased and thus aligns with "Less Hazardous Chemical Syntheses" and "Use of Renewable Feedstocks".

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

Clase de almacenamiento

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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Contenido relacionado


A Vyalikh et al.
Physical chemistry chemical physics : PCCP, 9(18), 2249-2257 (2007-05-10)
Solid state deuterium NMR has been used to study the molecular motion of d(6)-isobutyric acid (d(6)-iBA) in the pure (unconfined) state and confined in the cylindrical pores of two periodic mesoporous silica materials (MCM-41, pore size 3.3 nm and SBA-15
E M Faed et al.
Clinical and experimental pharmacology & physiology, 5(2), 195-198 (1978-03-01)
1. Two main conjugates of CPIB (2-[chlorophenoxy]-2-methylpropionic acid) are present in the urine of subjects taking clofibrate. The metabolites can be separated by thin-layer chromatography (TLC). 2. Both conjugates are hydrolysed by dilute alkali, but only one is hydrolysed by
Kimberlee S Mix et al.
Molecular pharmacology, 65(2), 309-318 (2004-01-27)
Matrix metalloproteinases (MMPs) degrade extracellular matrix components, and overexpression of these enzymes contributes to tissue destruction in arthritis. Of particular importance are the collagenases, MMP-1 and MMP-13, which have high activity against the interstitial collagens in cartilage. In this study