Advanced Search
Chemicals
Search Lab Chemicals by Category
Advanced Search
New Products
LOBA TLC Sprayer
Mn Filter
R&D / GMP
Process R&D
Process R&D
Process Development
Contract Research
Validation Services
Chiral Chemistry
Flow Chemistry
Custom Synthesis
Contract Manufacturing
Contract Manufacturing
GMP Facility
Specialized Intermediates
List of Manufactured Products
Contact Us
Home
Lab Chemicals
pH Indicator (Solid)
TROPAEOLIN OOO
TROPAEOLIN OOO Extra Pure
C.I.No.15510
4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt, Acid Orange A, Acid Orange 7, Orange II, Tropaeolin 000 No. 2
Article No.
6397F
Grade
Extra Pure
Purity
CAS No.
633-96-5
Molecular Formula
Molecular Weight
H.S. Code
3212.9090
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
Physical Properties
Physical state at 20 °C
Solid
Colour
Orange powder
Odour
Odorless
Melting point/ Freezing point [°C]
164 °C
Solubility in water [% weight]
116 g/l Water (30°C)
Packings
25 g
(00025)
100 g
(00100)
Specifications
Appearance
Orange coloured powder
Absorption maxima in water
About 484 nm
Loss on drying
Max 5%
Absorptivity on dry basis at λmax
Min 500
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date :
05-Oct-2021