4-Amino-3-methylbenzenesulfonic acid
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4-Amino-3-methylbenzenesulfonic acid
structure -
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CAS No:
98-33-9
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Formula:
C7H9NO3S
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Chemical Name:
4-Amino-3-methylbenzenesulfonic acid
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Synonyms:
Benzenesulfonic acid,4-amino-3-methyl-;m-Toluenesulfonic acid,4-amino-;4-Amino-3-methylbenzenesulfonic acid;2-Amino-5-toluenesulfonic acid;4-Amino-m-toluenesulfonic acid;6-Aminotoluene-3-sulfonic acid;2-Methyl-4-sulfoaniline;2-Methylaniline-4-sulfonic acid;NSC 7545;859494-31-8
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CAS No:
4-Amino-3-methylbenzenesulfonic acid Basic Attributes
187.22
187.22
202-658-6
ET833CB2KU
7545
DTXSID5059167
2921430090
Safety Information
III
8
2811
45-34
53-26-36/37/39-45
T
P261, P264, P272, P280, P302+P352, P305+P351+P338, P321, P332+P313, P333+P313, P337+P313, P362, P363, P501
H315
|Warning|H315 (87.93%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P272, P273, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P333+P313, P337+P313, P362, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 146 companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
4-Amino-3-methylbenzenesulfonic acid Use and Manufacturing
From o-toluidine through sulfonation system. The sulfonation reaction is carried out in the solvent diphenyl sulfone, heated to 150-185°C, and the reaction proceeds violently. After the reaction is over, the product is dissolved with lye to remove the solid diphenyl sulfone, and then the finished product is obtained through operations such as distillation, water washing, filtration, and acidification. The yield is 98%.
Used as dye intermediate
Benzenesulfonic acid, 4-amino-3-methyl-: ACTIVE
Computed Properties
Molecular Weight:187.22
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:1
Exact Mass:187.03031432
Monoisotopic Mass:187.03031432
Topological Polar Surface Area:88.8
Heavy Atom Count:12
Complexity:244
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
Recommended Suppliers of 4-Amino-3-methylbenzenesulfonic acid
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![China]()
CN
7 YRS
Business licensed Certified factoryManufactory Supplier of ChemicalsInquiryUnit Price: $1 /MT FOBCAS No.: 98-33-9Grade: Industrial GradeContent: 99% -
![China]()
CN
4 YRS
Business licensed Certified factoryManufactory Supplier of Flavors & Fragrances,Catalyst & Auxiliary,Intermediates,Dyes & Pigments,Inorganic Chemistry,petro chemicals,Surfactant,Food Additives,Water Treatment ChemicalsInquiryCAS No.: 98-33-9Grade: Industrial GradeContent: 99% -
![China]()
CN
3 YRS
Business licensedTrader Supplier of CHEMICALS,REAGENTSInquiryCAS No.: 98-33-9Grade: Pharmaceutical GradeContent: 99%
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4-Amino-3-methylbenzenesulfonic acid
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