• Products
  • Buy offers
  • Encyclopedia
  • Msds lib
  • Synthesis
  • Reach Info
  • Suppliers
Home> Hot Product Listed 2   > 2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt
70862-65-6 structure

2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt

Iupac Name:1,3-didecyl-2-methylimidazol-1-ium chloride
CAS No.:70862-65-6
EINECS(EC#): 229-308-5
Molecular Weight:399.09638
Molecular Formula:C9H7CLN2 (isomer)
Names and Identifiers

Benzoic acid, 5-((6,8-disulfo-2-naphthalenyl)azo)-2-hydroxy-, trisodium salt Benzoic acid, 5-(2-(6,8-disulfo-2-naphthalenyl)diazenyl)-2-hydroxy-, sodium salt (1:3) C.I.14110 C.I.Mordant Yellow 20 Einecs 229-306-4

Canonical Smiles
Melting Point
82 °C
Boiling Point
Safety and Handling
Risk Statements
Safety Statements

2.Hazard identification

2.1 Classification of the substance or mixture

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity \u2013 single exposure, Category 3

2.2 GHS label elements, including precautionary statements

Signal word


Hazard statement(s)

H315 Causes skin irritation

H319 Causes serious eye irritation

H335 May cause respiratory irritation

Precautionary statement(s)

P264 Wash ... thoroughly after handling.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P271 Use only outdoors or in a well-ventilated area.


P302+P352 IF ON SKIN: Wash with plenty of water/...

P321 Specific treatment (see ... on this label).

P332+P313 If skin irritation occurs: Get medical advice/attention.

P362+P364 Take off contaminated clothing and wash it before reuse.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P337+P313 If eye irritation persists: Get medical advice/attention.

P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P312 Call a POISON CENTER/doctor/\u2026if you feel unwell.


P403+P233 Store in a well-ventilated place. Keep container tightly closed.

P405 Store locked up.


P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification


Computational chemical data
  • Molecular Weight:399.09638g/mol
  • Molecular Formula:C9H7CLN2
  • Exact Mass:398.342777
  • Monoisotopic Mass:398.342777
  • Complexity:264
  • Rotatable Bond Count:18
  • Hydrogen Bond Donor Count:0
  • Hydrogen Bond Acceptor Count:1
  • Topological Polar Surface Area:8.8
  • Heavy Atom Count:27
  • Defined Atom Stereocenter Count:0
  • Undefined Atom Stereocenter Count:0
  • Defined Bond Stereocenter Count:0
  • Undefined Bond Stereocenter Count:0
  • Isotope Atom Count:0
  • Covalently-Bonded Unit Count:2
Recommended Suppliers