Hangzhou Chemfar Ltd.
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Contact Us
  • Contact Person : Mr. Hua Li
  • Company Name : Hangzhou Chemfar Ltd.
  • Tel : 86-571-87859231
  • Fax : 86-571-87859289
  • Address : Zhejiang,HANGZHOU,16E, Huarong Times Mansion, No.3880 Jiangnan Avenue, Binjiang District, Hangzhou, China
  • Country/Region : China
  • Zip : 310053

Chemical Auxiliary Agent
N-Ethyl OPTSA

N-Ethyl OPTSA

N-Ethyl OPTSA CAS No. 8047-99-2 Appearance:Clear pale straw colour viscous light liquid N-Ethyl-O-Toluene sulfonamide:65-70% N-Ethyl OPTSACAS No. 8047-99-2Specification:Appearance:Clear pale straw colour viscous light liquidColour:150APHA maxOdour:No sharp or acid...
OPTSA/O/P-TOLUENE SULFONAMIDE 1333-07-9

OPTSA/O/P-TOLUENE SULFONAMIDE 1333-07-9

OPTSA CAS 1333-07-9 Appearance:white crystalline powder Assay:99% min OPTSACAS 1333-07-9Specification:Appearance:white crystalline powderAssay:99% minMelting point:107-112oCOrtho Isomer: 10-40+/- 3%Para Isomer:60-90+/- 3%Chloride:100PPM maxMoisture:0.5% maxColor:20APHA...
PTSC

PTSC

PTSC CAS 98-59-9 White crystalline powder<BR>Assay:99.0% min<BR>Free acid:0.2% max<BR>Moisture:0.1% max<BR>M.P:67-69.5<BR>OTSC  PTSC CAS 98-59-9White crystalline powder<BR>Assay:99.0% min<BR>Free acid:0.2% max<BR>Moisture:0.1%...
PTSA

PTSA

PTSA CAS 70-55-3 white crystalline powder;99.0%min OTSA:0.2%<BR>Chloride:0.005% max<BR>Loss on drying:0.2% PTSACAS 70-55-3Appearance:white crystalline powder<BR>Assay:99% min<BR>Melting point:136-139ºC min<BR>OTSA:0.2%...


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