Home / Molekula Chemicals & Biochemicals / Molekula Arsenazo III
Molekula Arsenazo III | Laboratory Chemicals | Bench&Flask
Molekula Scientific Supply

Molekula Arsenazo III

SKU: 13331445-5g Brand: Molekula
£211.65 Ex VAT — VAT added at checkout where applicable.
Arsenazo III is a chromogenic reagent used in analytical chemistry for the detection and quantification of metal ions, particularly rare earth elements and…CAS number: 1668-00-4Select the required pack size. Contact Bench & Flask for bulk quantities and availability.Supplier packaging image is illustrative; packaging may vary by pack size.Specifications...
✓ Professional supplyFor laboratory, research & industry
→ UK deliveryCarriage calculated at checkout
? Need help?Ask our team before ordering
Pack size: 5 g
Secure payment Payment methods accepted
American Express Apple Pay Diners Club Discover Google Pay Klarna Maestro Mastercard PayPal Shop Pay Union Pay Visa
Purchasing for an organisation? Need a formal quotation, volume pricing or PO support?
Request a Quote →
Product information

Specification & product details.

Arsenazo III is a chromogenic reagent used in analytical chemistry for the detection and quantification of metal ions, particularly rare earth elements and…

CAS number: 1668-00-4

Select the required pack size. Contact Bench & Flask for bulk quantities and availability.

Supplier packaging image is illustrative; packaging may vary by pack size.

Specifications

Property Value
Appearance Dark red powder
Melting Point ≥320℃
Residue on Ignition ≤2%
Effective Content ≥70%

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 6.1
Packing Group III
Acidity Acid

Identification

Property Value
SKU 13331445
CAS Number 1668-00-4
IUPAC Name 3,6-bis\[(2-arsonophenyl)diazenyl\]-4,5-dihydroxynaphthalene-2,7-disulfonic acid
EC Number 216-788-6
Molecular Formula C22H18As2N4O14S2
Molecular Weight 776.37
Exact Mass 775.8693
SMILES O=S(=O)(O)C1=CC=2C=C(C(N=NC=3C=CC=CC3\[As\](=O)(O)O)=C(O)C2C(O)=C1N=NC=4C=CC=CC4\[As\](=O)(O)O)S(=O)(=O)O
InChIKey UQHVTNUJRKELCE-UHFFFAOYSA-N
InChI InChI=1S/C22H18As2N4O14S2/c29-21-18-11(9-16(43(37,38)39)19(21)27-25-14-7-3-1-5-12(14)23(31,32)33)10-17(44(40,41)42)20(22(18)30)28-26-15-8-4-2-6-13(15)24(34,35)36/h1-10,29-30H,(H2,31,32,33)(H2,34,35,36)(H,37,38,39)(H,40,41,42)
PubChem CID 135445682
UN Number UN3465
REACH Code Y110
HTS Code 29319030
Tariff Code 2931900090

Safety & GHS

Danger

  • ToxicGHS06
  • Hazardous to the EnvironmentGHS09

Hazard statements

  • H301 + H331Toxic if swallowed or inhaled
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements

  • P260Do not breathe dust/fume/gas/mist/vapours/spray
  • P273Avoid release to the environment
  • P280Wear protective gloves/protective clothing/eye protection/face protection
  • P301+310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P304+312IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
  • P501Dispose of contents/container to an approved waste disposal plant

\\

\\

\\

\\

\\

Alternative names

2,7-Bis(2-arsonophenylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonic acid; 2,7-Bis(2-arsonophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonic Acid; 2,7-Naphthalenedisulfonic acid, 3,6-bis\[(2-arsonophenyl)azo\]-4,5-dihydroxy-; 3,6-bis\[(2-arsonophenyl)diazenyl\]-4,5-dihydroxynaphthalene-2,7-disulfonic acid; Arsenazo cento; Arsenazo III free acid high grade; Arsenazo III sodium salt; C22H18As2N4O14S2; starbld0016539; UQHVTNUJRKELCE-UHFFFAOYSA-N

Product documentation

Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.

INSTITUTIONAL & TRADE PURCHASING

Buying for a laboratory, university or organisation?

Ask about quotations, larger quantities, recurring supply and professional accounts.