4-methylbenzenesulfonic acid
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: |
|
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: |
|
-
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.