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Metanilic acid

Metanilic acid
Metanilic acid
CAS No.
121-47-1
Chemical Name:
Metanilic acid
Synonyms
metanilic;Metanilsure;Metanilc Acid;Aniline-3-sulf;M-SULFOANILINE;METANILIC ACID;3-SULFOANILINE;m-Sulfanioicacid;M-SULFANILIC ACID;kyselinametanilova
CBNumber:
CB7143612
Molecular Formula:
C6H7NO3S
Formula Weight:
173.19
MOL File:
121-47-1.mol

Metanilic acid Properties

Melting point:
>300 °C(lit.)
Density 
1.69
refractive index 
1.5500 (estimate)
storage temp. 
Store below +30°C.
solubility 
ethanol: very slightly soluble(lit.)
form 
Powder
pka
3.73(at 25℃)
color 
White to grayish-beige
Water Solubility 
slightly soluble
Merck 
14,5927
BRN 
473264
Stability:
Stable. Combustible. Incompatible with strong oxidizing agents, acids.
CAS DataBase Reference
121-47-1(CAS DataBase Reference)
NIST Chemistry Reference
Metanilic acid(121-47-1)
EPA Substance Registry System
Benzenesulfonic acid, 3-amino-(121-47-1)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xn
Risk Statements  20/21/22
Safety Statements  23-28-28A-25
RIDADR  3261
WGK Germany  1
RTECS  OY2300000
TSCA  Yes
HazardClass  IRRITANT
Symbol(GHS):
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning P280,P302+P352, P312, P322, P363,P501
H320 Causes eye irritation Serious eye damage/eye irritation Category 2B Warning P264, P305+P351+P338,P337+P313
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P321 Specific treatment (see … on this label).
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P501 Dispose of contents/container to..…

Metanilic acid price More Price(6)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 165794 3-Aminobenzenesulfonic acid 97% 121-47-1 250g $44.5 2018-11-13 Buy
TCI Chemical A0265 3-Aminobenzenesulfonic Acid >99.0%(T) 121-47-1 25g $14 2017-11-08 Buy
TCI Chemical A0265 3-Aminobenzenesulfonic Acid >99.0%(T) 121-47-1 500g $64 2017-11-08 Buy
Alfa Aesar A14574 Metanilic acid, 98+% 121-47-1 100g $20.9 2018-11-13 Buy
Alfa Aesar A14574 Metanilic acid, 98+% 121-47-1 250g $50.6 2017-11-08 Buy

Metanilic acid Chemical Properties,Uses,Production

Chemical Properties

white powder

Uses

3-Aminobenzenesulfonic acid was used in the synthesis of cytocompatible sulfonated polyanilines. It was used in fabrication of novel glucose biosensor having large active surface area and excellent conductivity.

General Description

White powder. Small colorless needles; toxic.

Air & Water Reactions

Water insoluble [Hawley].

Reactivity Profile

Metanilic acid is an amino acid. Reacts weakly with both acids and bases.

Fire Hazard

Flash point data for Metanilic acid are not available, however Metanilic acid is probably combustible.

Purification Methods

Crystallise the acid from water (as the hydrate), under CO2 in a semi-darkened room. The solution is photosensitive. Dry it over 90% H2SO4 in a vacuum desiccator. [Beilstein 14 H 688, 14 IV 2640.]

Metanilic acid Preparation Products And Raw materials

Raw materials

Preparation Products


Metanilic acid Suppliers

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