HEPTANE, STRAIGHT AND BRANCHED ISOMERS: Notice of Intended Change

Molecular formula: C₇H₁₆

n-HEPTANE

CAS Number: 142-82-5

Synonyms: Heptane; Dipropylmethane

Chemical Structure¹:

2,2-DIMETHYLPENTANE

CAS Number: 590-35-2

Synonyms: Neoheptane; Pentane, 2,2-dimethyl; 1,1,1-Trimethylbutane

Chemical Structure²:

2,3-DIMETHYLPENTANE

CAS Number: 565-59-3

Synonyms: 3,4-Dimethylpentane; Pentane, 2,3-dimethyl

Chemical Structure³:

2,4-DIMETHYLPENTANE

CAS Number: 108-08-7

Synonyms: Diisopropylmethane; Pentane, 2,4-dimethyl

Chemical Structure⁴:

3,3-DIMETHYLPENTANE

CAS Number: 562-49-2

Synonyms: Pentane, 3,3-dimethyl

Chemical Structure⁵:

2-METHYLHEXANE

CAS Number: 591-76-4; 31394-54-4

Synonyms: Isoheptane; Hexane, 2-methyl; 1-Methylhexane

Chemical Structure⁶:

3-METHYLHEXANE

CAS Number: 589-34-4

Synonyms: 2-Ethylpentane; Hexane, 3-methyl

Chemical Structure⁷:

3-ETHYLPENTANE

CAS Number: 617-78-7

Synonyms: Triethylmethane; Pentane, 3-ethyl

Chemical Structure⁸:

2,2,3-TRIMETHYLBUTANE

CAS Number: 464-06-2

Synonyms: Triptane; Butane, 2,2,3-trimethyl

Chemical Structure⁹:

TLV^®-TWA, 200 ppm

TLV-STEL, 400 ppm

Ototoxicant (OTO)

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