Synonyms: 3,3-Bis(3-chloro-4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide, 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis[2-chlorophenol] S,S-dioxide

CAS Number:4430-20-0
Formula:C₁₉H₁₂Cl₂O₅S
MDL Number:MFCD00005877
Molecular Weight:423.27 g/mol
Melting Pt:261 °C
Storage Temperature:Ambient
EINECS:224-619-2

Documents

SDS

ACRO19004

Specifications

Specification Test Results

Appearance:
Green to red-brown to brown Powder
Infrared spectrum:
Conforms
Loss on drying:
≤8 % (110°C)
Solubility:
(0.1 % in ethanol) Clear brown-yellow to dark orange
UV Lambda max:
572 to 576 nm (in 0.1 N NaOH)
Specific absorbance A (1%/1cm):
≥1000 (at Lambda max) On dried substance
Visual transition interval:
from pH 4.8 (yellow) to pH 6.4 (purple)

Specifications

Pack type:
Glass bottle
Pk:
50 g