SpectraBase Spectrum ID |
J2aYQWMv4JO |
Name |
WATCHUNG RED B (RT-430-D) |
Source of Sample |
Cookson Pigments, Inc. |
CAS Registry Number |
7023-61-2 |
Chemical Description |
MONOAZO; CALCIUM PRECIPITATED MONOAZO BLUE SHADE RED 2B PIGMENT |
Color Properties |
Colour Index Name= PIGMENT RED 48:2
Colour Index Number= 15865:2 |
Content |
Moisture Content= 2.0% |
Copyright |
Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved. |
Density |
(Specific Gravity)= 1.77 |
Formula |
C18H11CaClN2O6S |
Molecular Weight |
458.89 |
Oil Absorption |
46 LBS/100 LBS |
Solution Data |
pH= (AQUEOUS SLURRY) 9.0 |
Synonyms |
4-[(5-CHLORO-4-METHYL-2-SULFOPHENYL)AZO]-3-HYDROXY-2-NAPHTHALENECARBOXYLIC ACID, CALCIUM SALT (1:1)
PERMANENT RED 2B |
Technique |
KBr WAFER |
Values |
Bulking Value= 13.9 LBS/GAL |