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4-methylbenzenesulfonic acid

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  Post Date: Dec 19,2024
  Expiry Date: Jun 17,2025
  Detailed Description: Cas No. :104-15-4 6192-52-5 Quantity: 20
Specs:93%，95%，97%。98%，99%
Price:900 USD Metric Tons
Payment Method: T/T,L/C
The Product Description of P-Toluene Sulfunic acid
English name：P-Toluene Sulfonic acid( PTSA）
Molecular formula：C7H8O3SH2O
Molecular weight：190.2
CAS No.:104-15-4，6192-52-5
Executive standard：Q/320511 XXH01-2001
EINECS:203-180-0
UN NO.：2585
HS NO.：2904100000
Technical index:：
Item/index mother liquor The coarse product Pharmaceutical grade Pharmaceutical grade refined grade Reagent grade Special grade
Total acidity ≥%(sulfonic acid) 40-65 90 93/95 95/97/99 97/99 99 /
Free acid ≤% 20-40 3-6 3/2.5 2/0.5 0.7/0.3 0.1 /
Moisture(not includingcrystal water )≤% / 4-12 4 3.5 2.3 1.9 /
Fe++ ≤ppm / / 50 30 20 10 /
Ignition residue ≤% / / / 0.2 0.2 0.02 /
Melting point（℃） / / / / 100 103
Alcohol solution test / / / qualified qualified qualified qualified
Water solution test / / / qualified qualified qualified qualified
Color / white white white white white white
Packing 25 kg /bag, packed inbags, inner with plastics.
use It is mainly used in medicine, pesticides, fuel, such as chemical and detergent industry, also used in plastics and printing and coating industry and so on.

  CAS Registry Number:

104-15-4 6192-52-5
  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: 104-15-4 6192-52-5 L-glutamic acid bis-allyl ester toluene 4-sulfonate

  Company: Like Chemical Co., Ltd.     [ China ]          
  Contact: Zimei Lu
  Tel: +86-536-3493131
  Fax: +86-536-3493131
  Email: sales@likechemical.com
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