Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

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Substance profile

3-Aminobenzenesulfonic acid

3-aminobenzene sulfonic acid appears as white powder.

CAS 121-47-1 Warning

01 · Identification

What 3-Aminobenzenesulfonic acid is

3-aminobenzene sulfonic acid appears as white powder.

Under the GHS it carries the signal word Warning.

CAS number121-47-1
EC number204-473-6
Index number612-013-00-4

Other names for 3-Aminobenzenesulfonic acid

  • 3-aminobenzene sulphonic acid
  • metanilic acid

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Signal wordWarning
Hazard statements assigned to 3-Aminobenzenesulfonic acid
CodeHazard statement
H332 Harmful if inhaled.
H312 Harmful in contact with skin.
H302 Harmful if swallowed.

Precautionary statements: P260, P270, P271, P280, P301, P302, P304, P312, P330, P352

03 · Physical and chemical properties

3-Aminobenzenesulfonic acid properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property Value Conditions Source
Melting point Decomposes without melting (NTP, 1992) decomposes CAMEO
Density 1.69 g/cm³ CAMEO
Solubility less than 1 mg/mL at 72 °F (NTP, 1992) at 22.22 °C CAMEO
Vapor pressure 2e-7 mmHg Haz-Map

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

04 · Handling and storage

Storing and handling 3-Aminobenzenesulfonic acid

Reactivity

3-AMINOBENZENE SULFONIC ACID is an amino acid. Reacts weakly with both acids and bases.

Source: CAMEO Chemicals

Planning storage for a mix of chemicals? Check 3-Aminobenzenesulfonic… in the storage compatibility matrix →

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