COA Center
OR
MSDS/SDS Center
Deutsch
English
French
Korean
Portuguese
Spanish
Thai
Turkish
Advanced Search
Chemicals
Lab Chemicals by Category
Advanced Search
COA Center
MN Filter
Filtration
Rapid Tests
Chromatography
Company Profile
History
Vision, Values, Commitment
From Our Chairman
What We Offer
Privacy Policy
Manufacturing
Overview
Facility Tour
Certification
EHS
Our Integrated Management System
Support
Catalogs & Price Lists
Product Brochures
Packings
Contact Us
Find a Dealer
Safety Tips
Storage Practices
Categorical Storage
Recommendations
Resources
Hazard Symbols
GHS Labeling
Precautionary Statements
Hazard Statements
Conversion Charts
Fractions
Particle Size
Periodic Table
MGT-7 Form
1,2-NAPHTHOQUINONE-4 SULPHONIC ACID SODIUM SALT AR
(For determination of amines and amino acid)
3,4-Dihydro-3,4-dioxo-1-naphthalenesulfonic acid sodium salt, Folin’s reagent, Sodium 1,2-naphthoquinone-4-sulfonate
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
COAs
Packings
5 g
(00005)
25 g
(00025)
Print friendly version
Article No.
04781
Grade
AR
Purity
97%
CAS No.
521-24-4
Molecular Formula
C
1
0
H
5
NaO
5
S
Molecular Weight
260.20
H.S. Code
2914.7990
Shelf Life
60 Months
Physical Properties
Physical state at 20 °C
Solid
Colour
Brownish yellow
Odour
Odorless
Melting point/ Freezing point [°C]
289 °C
Solubility in water [% weight]
45 g/l (20°C)
Specifications
Appearance
Brownish yellow powder
Assay
Min 97%
Sulphate (SO4)
Max 0.05%
Total nitrogen (N)
Max 0.05%
Loss on drying (at 105°C)
Max 1%
Suitability (for detection of amino acid)
Passes test
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date:
22-Jan-2021
Home
Lab Chemicals
Laboratory Chemicals
1,2-NAPHTHOQUINONE-4 SULPHONIC ACID SODIUM SALT