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W222216

Sigma-Aldrich

Isobutyric acid

natural, ≥99%, FCC, FG

Sinonimo/i:

2-Methylpropionic acid

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About This Item

Formula condensata:
(CH3)2CHCO2H
Numero CAS:
79-31-2
Peso molecolare:
88.11
Numero FEMA:
2222
Beilstein:
635770
Numero CE:
201-195-7
N° CoE:
6c
Numero MDL:
MFCD00002658
Codice UNSPSC:
12164502
ID PubChem:
24900937
Numero Flavis:
8.006
NACRES:
NA.21

Grado

FG
Fragrance grade
Kosher
natural

Livello qualitativo

400

agenzia

follows IFRA guidelines
meets purity specifications of JECFA

Conformità normativa

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
FCC
FDA 21 CFR 117
FDA 21 CFR 172.515

Densità del vapore

3.04 (vs air)

Tensione di vapore

1.5 mmHg ( 20 °C)

Saggio

≥99%

Temp. autoaccensione

824 °F

Limite di esplosione

10 %

Indice di rifrazione

n20/D 1.393 (lit.)

P. eboll.

153-154 °C (lit.)

Punto di fusione

−47 °C (lit.)

Densità

0.95 g/mL at 25 °C (lit.)

applicazioni

flavors and fragrances

Documentazione

see Safety & Documentation for available documents

Allergene alimentare

no known allergens

Allergene in fragranze

no known allergens

Organolettico

butter; acidic; rancid

Stringa SMILE

CC(C)C(O)=O

InChI

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

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Categorie correlate

Altre note

Natural occurrence: Roman chamomile, strawberry, dairy products.

Avvertenze

Danger

Indicazioni di pericolo

H226,H302,H311,H314

Classi di pericolo

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

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

131.0 °F - closed cup

Punto d’infiammabilità (°C)

55 °C - closed cup

Dispositivi di protezione individuale

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

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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