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2-Diazo-1-naphthol-5-sulfonyl chloride

  • Name 2-Diazo-1-naphthol-5-sulfonyl chloride
  • EINECS223-211-1
  • CAS No. 3770-97-6
  • Density1.264
  • PSA100.14000
  • LogP2.50696
  • Solubility4.4g/L at 20℃
  • Melting Point-100°C
  • FormulaC10H7ClN2O3S
  • Boiling Point-12°C
  • Molecular Weight268.68
  • Flash PointN/A
  • Transport InformationUN 3222
  • AppearanceN/A
  • Safety26-36/37/39
  • Risk Codes34
  • Molecular Structure
    Molecular Structure of 3770-97-6 (2-Diazo-1-naphthol-5-sulfonyl chloride)
  • Hazard SymbolsN/A
  • SynonymsN/A
  • Article Data7

2-Diazo-1-naphthol-5-sulfonyl chloride Chemical Properties

Molecular Structure of 2-Diazo-1-naphthol-5-sulfonyl chloride (CAS NO.3770-97-6):

IUPAC Name: 5-chlorosulfonyl-2-diazonionaphthalen-1-olate
Empirical Formula: C10H5ClN2O3S
Molecular Weight: 268.6763 
H bond acceptors: 5
H bond donors: 0
Freely Rotating Bonds: 1
Polar Surface Area: 59.59 Å2 
ACD/LogP: 1.61
CAS DataBase Reference: 3770-97-6(CAS DataBase Reference)
EPA Substance Registry System: 1-Naphthalenesulfonyl chloride, 6-diazo-5,6-dihydro-5-oxo- (3770-97-6)
EINECS: 223-211-1
Product Categories of 2-Diazo-1-naphthol-5-sulfonyl chloride (CAS NO.3770-97-6): RAW material for Photo Active Compounds

2-Diazo-1-naphthol-5-sulfonyl chloride Toxicity Data With Reference


Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 200mg/kg (200mg/kg) BEHAVIORAL: TREMOR National Technical Information Service. Vol. OTS0544573,
mouse LD50 oral > 3200mg/kg (3200mg/kg) BEHAVIORAL: TREMOR National Technical Information Service. Vol. OTS0544573,
rat LD50 intraperitoneal 400mg/kg (400mg/kg) SKIN AND APPENDAGES (SKIN): HAIR: OTHER National Technical Information Service. Vol. OTS0544573,
rat LD50 oral > 3200mg/kg (3200mg/kg) SKIN AND APPENDAGES (SKIN): HAIR: OTHER National Technical Information Service. Vol. OTS0544573,

2-Diazo-1-naphthol-5-sulfonyl chloride Safety Profile

Risk Statements: 34 
R34:Causes burns.
Safety Statements: 26-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: 3222
HazardClass: 4.1
PackingGroup: III

2-Diazo-1-naphthol-5-sulfonyl chloride Specification

 2-Diazo-1-naphthol-5-sulfonyl chloride , with CAS number of 3770-97-6, can be called 6-Diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonyl chloride ; 1,2-naphthoquinone-2-diazido-5-sulfonyl chloride ; 1,2-naphthoquinone-2-diazo-5-sulfonyl chloride ; 2-diazo-1-oxo-5-naphthalene sulfonyl chloride ; 2-diazo-1-oxo naphthalene-5-sulfonyl chloride ; 2-diazo-1,2-naphthoquinone-5-sulfonyl chloride ; 2-diazo-1-naphthol-5-sulfonyl chloride ; 2-diazo-1,2-dihydro-1-oxonaphthalene-5-sulfonyl chloride .

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