Agent Name | Orthanilic acid |
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Alternative Name | 2-Aminobenzenesulfonic acid |
CAS Number | 88-21-1 |
Formula | C6-H7-N-O3-S |
Major Category | Nitrogen Compounds |
Synonyms | 2-Sulfanilic acid; 1-Aminobenzene-2-sulfonic acid; 2-Aminobenzenesulfonic acid; Aniline-2-sulfonic acid; Aniline-o-sulfonic acid; Aniline-o-sulphonic acid; Anilino-2-sulfonic acid; Anilino-o-sulfonic acid; Anilino-o-sulphonic acid; o-Aminobenzenesulfonic acid; o-Aminophenylsulfonic acid; o-Sulfanilic acid; 2-Aminobenzenesulphonic acid; Benzenesulfonic acid, 2-amino-; Benzenesulfonic acid, o-amino-; [ChemIDplus] o-Anilinesulfonic acid; [Merck Index] 2-Aminobenzene sulfonic acid; 2-Aminophenylsulfonic acid; Aniline-2-sulphonic acid; 2-Anilinesulfonic acid; o-Amino benzene sulfonic acid; 2-Sulfoaniline; [CAMEO] UN2585 |
Category | Aminobenzenesulfonic Acids |
Description | Solid; [Merck Index] Light brown solid; [CAMEO] |
Sources/Uses | Used in organic synthesis and to make dyes and pharmaceuticals; [NTP] Used to make dyes and fine chemicals; [ToxPlanet: ECHA REACH Registrations] |
Comments | May cause skin and mucous membrane irritation; [NTP] Causes burns; May cause skin sensitization; [ToxPlanet: ECHA REACH Registrations] Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract; [Sigma-Aldrich MSDS] See "Aniline hemisulfate |
Exposure Assessment | |
Explanatory Notes | The Guide in the Emergency Response Guidebook is for "Aryl sulfonic acids, solid, with not more than 5% free Sulfuric acid." |
Adverse Effects | |
Skin Sensitizer | Yes |
Dermatotoxin | Skin Burns |
Links to Other NLM Databases | |
Toxicity Information | |
Chemical Information | |
Related Information in HazMap | |
Diseases | Occupational diseases associated with exposure to this agent: |