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Region :Intermediates/Pharmaceutical intermediates
Tel : 0086-18678017774
Fax : +86-536-3715008
Email :jack@sfychem.com
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Details for China 4-methylbenzenesulfonic acid

4-methylbenzenesulfonic acid 20845-16-3

Category :

Intermediates/Pharmaceutical intermediates

CAS NO :

20845-16-3

EC NO :

MF :

C₁₈H₂₅NO₇S

MW :

399.4586

Product description :

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.

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 Structure :

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