3,5-dimethyl-3-heptanol

3,5-二甲基-3-庚醇

Also known as: 3,5-dimethyl-3-heptanol, 3,5-dimethylheptan-3-ol, 3-heptanol, 3,5-dimethyl-, 3,5-dimethyl-3-heptanol, erythro + threo, 3,5-dimethyl-3-heptanol, threo + erythro, 3,5-dimethyl-3-heptanol, mixture of threo and erythro, ethyl methyl 2-methylbutyl carbinol, dimethylheptanol threo+erythro, MFCD00046585

3,5-dimethyl-3-heptanol (CAS 19549-74-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C9H20O and a molecular weight of 144.25400 g/mol. It is also known as 3,5-dimethylheptan-3-ol, 3-heptanol, 3,5-dimethyl- and 3,5-dimethyl-3-heptanol, erythro + threo. Key properties include a boiling point of 176.6ºC at 760mmHg, a density of 0.824g/cm3 and a flash point of 70ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 19549-74-7
Jingsj CID: J-40889-9
Molecular Formula: C₉H₂₀O
Chinese Name: 3,5-二甲基-3-庚醇
Molecular Weight: 144.25400 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	176.6ºC at 760mmHg
Density	0.824g/cm3
Flash Point	70ºC
Exact Mass	144.15100
PSA	20.23000
LogP	2.58360
Vapor Pressure	0.33mmHg at 25°C
Refractive Index	1.429

Customs & Trade Information

HS Code	2905199090
Summary	2905199090. saturated monohydric alcohols. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3,5-dimethyl-3-heptanol?

The CAS number of 3,5-dimethyl-3-heptanol is 19549-74-7.

What are the molecular formula and molecular weight of 3,5-dimethyl-3-heptanol?

3,5-dimethyl-3-heptanol has molecular formula C9H20O and molecular weight 144.25400 g/mol.

What are the upstream and downstream products of 3,5-dimethyl-3-heptanol?

For 3,5-dimethyl-3-heptanol, Upstream Products: Ethylmagnesium bromide.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3,5-dimethyl-3-heptanol (CAS 19549-74-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40889-9 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.