Ingredient Dictionary

ISOBUTYL FORMATE

2-Methylpropyl formate is a carboxylic ester.

Definition

2-Methylpropyl formate is a carboxylic ester.

Source: PubChem

US FDA substance register · UNII 6OCL1KXH0Q · registered name ISOBUTYL FORMATE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Gives the product a scentPERFUMING

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

More data — names, identifiers, properties, test records, literature

Names & identifiers

ISOBUTYL FORMATEINCIFormic acid, 2-methylpropyl esterSynonym

CAS No.chemical registry number: 542-55-2
EC No.EU chemical inventory number: 208-818-1
DTXSIDUS EPA chemical ID: DTXSID7060257
DTXCIDUS EPA compound ID: DTXCID1041631

IUPAC: 2-Methylpropyl formate
Molecular formula: C5H10O2
Molecular weight: 102.133 g/mol

Measured properties

Appearance: liquid
Colour: colourless
Melting/freezing point: -95.8 ℃
Initial boiling point and range: 98.2 ℃
Flash point: 5 ℃(c.c.)
Vapour pressure: 40.1 ㎜Hg (at 25 degree C)
Water solubility: 10200 g/100㎖ (at 25 degree C)
n-Octanol/water partition coefficient (Kow): 1.23
Molecular weight: 102.13

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: KOSHA safety data sheets (Korea)

What products actually use it for

What the 4 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Fragrance2
Flavouring and nutrient2

Source: US EPA CompTox dashboard

Related literature

RIFM fragrance ingredient safety assessment, isobutyl formate, CAS Registry Number 542-55-2. · 2020 · Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association