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98-33-9

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98-33-9 Usage

Physical properties

White to Pale-yellow to Yellow-brown Sticky Oil to Semi-Solid.

Flammability and Explosibility

Notclassified

Check Digit Verification of cas no

The CAS Registry Mumber 98-33-9 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 9 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 98-33:
(4*9)+(3*8)+(2*3)+(1*3)=69
69 % 10 = 9
So 98-33-9 is a valid CAS Registry Number.
InChI:InChI=1/C7H9NO3S/c1-5-4-6(12(9,10)11)2-3-7(5)8/h2-4H,8H2,1H3,(H,9,10,11)/p-1

98-33-9 Well-known Company Product Price

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  • Alfa Aesar

  • (A19870)  4-Amino-3-methylbenzenesulfonic acid, 98%   

  • 98-33-9

  • 250g

  • 447.0CNY

  • Detail
  • Alfa Aesar

  • (A19870)  4-Amino-3-methylbenzenesulfonic acid, 98%   

  • 98-33-9

  • 1000g

  • 1419.0CNY

  • Detail

98-33-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-Aminotoluene-5-sulfonic acid

1.2 Other means of identification

Product number -
Other names 4-amino-3-methylbenzenesulfonic acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:98-33-9 SDS

98-33-9Relevant articles and documents

Novel cyclic bicarbodiimide compound and preparation method of novel cyclic bicarbodiimide compound

-

Paragraph 0045, (2017/08/29)

The invention relates to a novel cyclic bicarbodiimide compound (I) and a preparation method of the novel cyclic bicarbodiimide compound. Compared with monocarbodiimide, the novel cyclic bicarbodiimide compound has a higher molecular weight and a higher melting point; the disadvantage that the monocarbodiimide is easily transferred outward from compounds including polyester, polyurethane and like at high temperature is overcome; the anti-hydrolytic property of a material is improved; meanwhile, the defects that an existing bicarbodiimide compound is easily irregularly curled, easily forms a rubber state at room temperature and is not easy to crystallize and purify are overcome; the anti-hydrolytic effect is good and the bicarbodiimide compound has a good anti-hydrolytic property; the service life of a polyester material is improved; the bicarbodiimide compound can be used as an anti-hydrolytic stabilizer and is used for polyurethane and polyester elastomers, and especially can be used for photovoltaic industry, biodegradable materials and the like. The formula (I) is shown in the description.

Sulfonation of arylamines Part 9 - Solid state synthesis of di-ortho ring substituted aminobenzenesulfonic acids

Singh, Gurdip,Kapoor, Inder Pal Singh,Singh, Jyotsna

, p. 1114 - 1117 (2007/10/03)

Di-ortho ring substituted arylammonium sulfates (Di-o-RSAS) have been prepared from the corresponding arylamines by treatment with conc. H2SO4 and characterized by elemental, gravimetric and spectral analyses. These sulfates yield the corresponding ring substituted aminobenzenesulfonic acids (RSABSA) when subjected to thermal energy. Non-isothermal gravimetric studies on di-o-RSAS support the formation of RSABSA. It is observed that most of the salts undergo transformation to acid in solid state via proton transfer reaction prior to sulfonation.

Solid phase acylation of aminosulfonic acids

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, (2008/06/13)

This invention is directed to the acylation of aminosulfonic acids in the solid phase. Two discrete, sequential chemical reactions occur, i.e. (1) the neutralization of the aminosulfonic acid, and (2) the subsequent amine acylation, to produce an improved neutralized acyl-aminosulfonic acid at a reduced cost. Aminosulfonic acids having the general formula HO3 S-A-NH2 are acylated to neutralized acyl-aminosulfonic acids having the general formula RCONH-A-SO3 M, where A is an unsubstituted or substituted aliphatic, aromatic or heteroaromatic group and M is a neutralizing agent moiety. The yield is virtually quantitative.

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