4-methylbenzenesulfonic acid
Price:Negotiable
Contact Info
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Add:Zhutai chemical industry park,linzi district,shandong,China
The East of Xi'an Village，Chengguan Sub-district Office，Linqu County Shandong,China, Zip: 262600 - Contact: Zimei Lu
- Tel:+86-533-7785828
- Email:sales@likechemical.com
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Description
Additional Information
4-methylbenzenesulfonic acid,PTSA
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
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:：
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. | ||||||||||||||
It is mainly used in medicine, pesticides, fuel, such as chemical and detergent industry, also used in plastics
CAS NO:20845-16-3
EC NO:
Molecular Formula:C18H25NO7S
Molecular Weight:399.4586
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:
CAS NO:20845-16-3
EC NO:
Molecular Formula:C18H25NO7S
Molecular Weight:399.4586
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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