2-Amino-1,4-benzenedisulfonic acid
- CAS NO.:98-44-2
- Empirical Formula: C6H7NO6S2
- Molecular Weight: 253.25
- MDL number: MFCD00035753
- EINECS: 202-669-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-07-27 13:57:03
What is 2-Amino-1,4-benzenedisulfonic acid?
Chemical properties
off-white powder
The Uses of 2-Amino-1,4-benzenedisulfonic acid
Intermediate.
The Uses of 2-Amino-1,4-benzenedisulfonic acid
Aniline-2,5-disulfonic acid is used as pharmaceutical intermediate. 2-Amino-1,4-benzenedisulfonic acid is used as an intermediate for dyes; 2-Amino-1,4-benzenedisulfonic acid is converted to triazine derivatives, which are intermediates in the manufacture of dyes and optical brighteners.
Production Methods
2-Amino-1,4-benzenedisulfonic acid is obtained by sulfonating metanilic acid in 100% sulfuric acid with 50% oleum at 160 ℃ (5 – 6 h); the sulfonation mixture is diluted with water, lime is added, and the resulting calcium sulfate is removed; the product is then precipitated with excess concentrated hydrochloric acid in hot solution; yield 90 – 91%
Properties of 2-Amino-1,4-benzenedisulfonic acid
Melting point: | >300°C |
Boiling point: | 497.5℃[at 101 325 Pa] |
Density | 1.569 (estimate) |
refractive index | 1.5500 (estimate) |
storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
solubility | Aqueous Acid (Slightly), Water (Slightly) |
form | Solid |
pka | -1.15±0.50(Predicted) |
color | White to Off-White |
Water Solubility | Slightly soluble in water. |
CAS DataBase Reference | 98-44-2(CAS DataBase Reference) |
EPA Substance Registry System | 2-Amino-1,4-benzenedisulfonic acid (98-44-2) |
Safety information for 2-Amino-1,4-benzenedisulfonic acid
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 2-Amino-1,4-benzenedisulfonic acid
Abamectin manufacturer
PARAGON FINE AND SPECIALITY CHEMICAL PVT LTD
1Y
Phone:+91-9909190838
Whatsapp: +91 9909190838
product: Aniline-2,5-Disulfonic acid 99%
CRYSTAL QUINONE PVT LTD
1Y
Phone:+919099918890
Whatsapp: +91 9099918890
product: Aniline 2,5 Disulphonic Acid 98%
JSK Chemicals
1Y
Phone:+91 9879767970;+919879767970
Whatsapp: +91 9879767970
product: 2-Amino-1,4-benzenedisulfonic acid 98-44-2 99%
MaheshRaj Chemicals Pvt Ltd
1Y
Phone:+91-7926870597
Whatsapp: +91 7926870597
product: Aniline-2,5-disulfonic acid 99%
Jagson Colorchem Limited
1Y
Phone:+91-9879484214
Whatsapp: +91 9879484214
product: Aniline-2,5-disulfonic acid 98-44-2 99%
Lion Color
1Y
Phone:+91-7878052742
Whatsapp: +91-7878052742
product: 98-44-2 Aniline-2,5-disulfonic acid 98%
New Products
Tubulysin D Tubulysin B Tubulysin E Tubulysin A Tubulysin H 4-CYANO-TETRAHYDROPYRAN-4-CARBOXYLIC ACID CYCLOBUTYLAMINE HYDROCHLORIDE 3-METHYLAZETIDIN-3-OL HYDROCHLORIDE Methyl (R)-1-Boc-4,4-difluoropyrrolidine-2-carboxylate 3-Aminocyclobutanone hydrochloride 2,2-Difluoropropylamine hydrochloride 2-[2-[3(S)-3[2-(7-chloro-2-quinolinyl) ethenyl] phenyl-3- hydroxyl propyl] phenyl]-2-propanol Fuel shell Imeglimin Hydrochloride IH 2-(1-(Mercaptomethyl) cyclopropyl) acetonitrile 2-[[(3aR,4S,6R,6aS)-6-Aminotetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]ethanol ethanedioate (1R,2S)-2-(3,4-Difluorophenyl)cyclopropanamine 5-(piperazin-1-yl) benzofuran-2- carboxamide 3-(4-Chloro-butyryl) -1H-indole-5- carbonitrile Magnesium Trisilicate Latanoprostene Bunod Lubiprostone Flame Retardant Zinc Borate 7-Methoxyquinoline-4-carboxylic acidRelated products of tetrahydrofuran
Sodium diphenylamine-4-sulfonate
Aniline
AMINO ACIDS
Phenothiazine
Taurine
Diphenylamine
ALTRENOGEST
Metanilic acid
You may like
-
Aniline 2,5 Disulphonic Acid 98%View Details
-
Aniline-2,5-disulfonic acid 99%View Details
-
98-44-2 Aniline-2,5-disulfonic acid 98%View Details
98-44-2 -
98-44-2 98%View Details
98-44-2 -
Aniline-2,5-disulfonic acid 98%View Details
98-44-2 -
Aniline-2,5-disulfonic acid 98-44-2 99%View Details
98-44-2 -
98-44-2 Aniline-2,5-disulfonic acid 98%View Details
98-44-2 -
Aniline 25 Disulfonic Acid CASView Details
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.