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2-Bromo-3-methoxy-3-methylbutanoic acid

Also known as: 2-Bromo-3-methoxyisovaleric acid, 2-Bromo-3-methoxy-3-methylbutyric acid, Butanoic acid, 2-bromo-3-methoxy-3-methyl-, 2-BROMO-3-METHOXY-3-METHYLBUTANOIC ACID

2-Bromo-3-methoxy-3-methylbutanoic acid (CAS 75974-47-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H11BrO3 and a molecular weight of 211.05400 g/mol. Key properties include a boiling point of 259ºC at 760 mmHg, a density of 1.484 g/cm3 and a flash point of 110.4ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
75974-47-9
Jingsj CID
J-934656-9
Molecular Formula
C6H11BrO3
Molecular Weight
211.05400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point259ºC at 760 mmHg
Density1.484 g/cm3
Flash Point110.4ºC
Exact Mass209.98900
PSA46.53000
LogP1.25950
Refractive Index1.485

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2918990090
Summary2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Bromo-3-methoxy-3-methylbutanoic acid?

The CAS number of 2-Bromo-3-methoxy-3-methylbutanoic acid is 75974-47-9.

What are the molecular formula and molecular weight of 2-Bromo-3-methoxy-3-methylbutanoic acid?

2-Bromo-3-methoxy-3-methylbutanoic acid has molecular formula C6H11BrO3 and molecular weight 211.05400 g/mol.

Is 2-Bromo-3-methoxy-3-methylbutanoic acid hazardous?

2-Bromo-3-methoxy-3-methylbutanoic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 2-Bromo-3-methoxy-3-methylbutanoic acid?

For 2-Bromo-3-methoxy-3-methylbutanoic acid, Upstream Products: Methanol, 3-Methyl-2-butenoic acid; Downstream Products: (R)-2-Amino-3-hydroxy-3-methylbutanoic acid.

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

Last updated:

How to cite: Jingsj. "2-Bromo-3-methoxy-3-methylbutanoic acid (CAS 75974-47-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-934656-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.