Home > Offer to Sell > Intermediates > Pharmaceutical_intermediates > 4-methylbenzenesulfonic acid

4-methylbenzenesulfonic acid

Inquiry
  Post Date: May 16,2024
  Expiry Date: Nov 12,2024
  Detailed Description: Cas No. :20845-16-3

English name:P-Toluene Sulfonic acid
Molecular formula:C7H8O3S·H2O
Molecular weight:190.2
CAS No.:104-150-4,6192-52-5
Executive standard:Q/320511 XXH01-2001
US code:2585
Goods Code:2916 3990(HS-Code)

Technical index:

Item/index
Industrial grade
Pharmaceutical grade
Extracted product
Reagent grade
Special grade
Total acidity ≥%(sulfonic acid)
93/95
95/97
97/99
98/99
/
Free acid ≤%
3
2/1
0.7/0.5
0.1
/
Moisture(not includingcrystal water )≤%
4/2
3.5
2.3
1.9/0.9
/
Fe++ ≤ppm
70/50
50/30
30/20
20/10
/
Ignition residue ≤%
/
0.2
0.2
0.02
/
Melting point(oC)
/
/
/
105-107
/
Alcohol solution test
/
qualified
qualified
qualified
qualified
Water solution test
/
qualified
qualified
qualified
qualified
Color
white
white
white
white
white
We can process according to requirement quality. Annual productivity is 6,000 tons.

Packing: Chinese, English and black package. Plastic weaving bag lined with double-layer film. Net weight is 25kg. Welcome to negotiate.


  CAS Registry Number:

20845-16-3

  Synonyms: ;L-glutamic acid diallyl ester*P-toluenesulfonate;H-Glu(OAll)-OAll.p-tosylate;diallyl (2S)-2-aminopentanedioate; 4-methylbenzenesulfonic acid;H-GLU(OALL)-OALL P-TOSYLATE;H-Glu(OAll)-OAll;
  Molecular Formula: C18H25NO7S
  Molecular Weight: 399.4586
  Molecular Structure: 20845-16-3 L-glutamic acid bis-allyl ester toluene 4-sulfonate

  Company: Weifang Shunfuyuan Chemical Co.,Ltd.     [ China ]          
  Contact: Jack
  Tel: +86-536-3715009
  Fax: +86-536-3715008
  Email: sales@sfychem.com
Disclaimer statement:The information and data included above have been realized by the enterprises and compiled by the staff, and are subject to change without notice to you. The Chemnet makes no warranties or representations whatsoever regarding the facticity, accuracy and validity of such information and data. In order to ensure your interest, we suggest you chose the products posted by our gold suppliers or VIP members.