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Sulfanilamide（CAS#63-74-1） Featured Image
  • Sulfanilamide（CAS#63-74-1） 1

Sulfanilamide（CAS#63-74-1）

Chemical Property:

Molecular Formula C6H8N2O2S
Molar Mass 172.2
Density 1.08
Melting Point 164-166°C(lit.)
Boling Point 400.5±47.0 °C(Predicted)
Water Solubility 7.5 g/L at 25 ºC
Solubility Soluble in acetone, glycerin, hydrochloric acid, boiling water and caustic solution, slightly soluble in water, almost insoluble in chloroform, ether, petroleum ether and benzene.
Vapor Presure 0.00001 hPa (70 °C)
Appearance White particles or powdered crystals
Color white to faintly beige
Odor Odorless
Maximum wavelength(λmax) 257nm(H2O)(lit.)
Merck 14,8925
BRN 511852
pKa pKa 10.65(H2Ot = 25.0±0.5I = 0.2) (Uncertain)
PH 5.8-6.1 (5g/l, H2O, 20℃)
Storage Condition 2-8°C
Sensitive Easily absorbing moisture
Refractive Index 1.6490 (estimate)
MDL MFCD00007939
Physical and Chemical Properties Characteristics of white particles or powder Crystal, odorless. The taste was slightly bitter.
Melting Point: 165~166 ℃
relative density: 1.08g/cm3
solubility: slightly soluble in cold water, ethanol, methanol, ether and acetone, soluble in boiling water, glycerin, hydrochloric acid, potassium hydroxide and sodium hydroxide solution, insoluble in chloroform, ether, benzene, petroleum ether.
Use Used in the pharmaceutical industry, is the main raw material for the synthesis of sulfonamides

Product Detail

Product Tags

Hazard Symbols Xn – Harmful
Risk Codes 40 – Limited evidence of a carcinogenic effect
Safety Description S24/25 – Avoid contact with skin and eyes.
S36 – Wear suitable protective clothing.
S22 – Do not breathe dust.
WGK Germany 3
RTECS WO8400000
FLUKA BRAND F CODES 10
TSCA Yes
HS Code 29350090
Hazard Class 8
Toxicity LD50 orally in mice: 3.8 g/kg (Marshall)

 

Introduction

No smell. The taste is slightly sweet after being bitter at the beginning, and it gradually becomes deeper when encountering sunlight. A neutral reaction to litmus. The pH of 0-5% aqueous solution is 5-8-6-1. The maximum absorption wavelength is 257 and 313nm. Half lethal dose (dog, oral) 2000mg/kg. It’s irritating.

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