Chromotrope 2B - ≥85%, high purity , CAS No.548-80-1

Item Number

C396554

Grouped product items
SKU	Size	Availability	Price
C396554-5g	5g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$62.90
C396554-25g	25g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$182.90
C396554-100g	100g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$433.90

Basic Description

Synonyms	Chromotrope 2B\|548-80-1\|Chromotrope Red 4B\|Chromatrope 2B\|Naphtocard Fast Red 3B\|Khromotrop 2B\|Acid Red 176\|2-(4-Nitrophenylazo)chromotropic acid disodium salt\|2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-((4-nitrophenyl)azo)-, disodium salt\|C.I. 16575
Specifications & Purity	≥85%
Shipped In	Normal

Names and Identifiers

IUPAC Name	disodium;4,5-dihydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate
INCHI	InChI=1S/C16H11N3O10S2.2Na/c20-12-7-11(30(24,25)26)5-8-6-13(31(27,28)29)15(16(21)14(8)12)18-17-9-1-3-10(4-2-9)19(22)23;;/h1-7,20-21H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2
InChi Key	AXUUHWJXDWBCSG-UHFFFAOYSA-L
Canonical SMILES	C1=CC(=CC=C1N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])O)O)[N+](=O)[O-].[Na+].[Na+]
Isomeric SMILES	C1=CC(=CC=C1N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])O)O)[N+](=O)[O-].[Na+].[Na+]
WGK Germany	3
PubChem CID	68360
Molecular Weight	513.37
Beilstein	4109733

Sensitivity

Moisture sensitive.

Melt Point(°C)

300°C

Safety and Hazards(GHS)

Pictogram(s)	GHS07
Signal	Warning
Hazard Statements	H315:Causes skin irritation H319:Causes serious eye irritation H335:May cause respiratory irritation
Precautionary Statements	P261:Avoid breathing dust/fume/gas/mist/vapors/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of water. P321:Specific treatment (see ... on this label). P405:Store locked up. P501:Dispose of contents/container to ... P264:Wash hands [and …] thoroughly after handling. P271:Use only outdoors or in a well-ventilated area. P304+P340:IF INHALED: Remove person to fresh air and keep comfortable for breathing. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P362+P364:Take off contaminated clothing and wash it before reuse. P264+P265:Wash hands [and …] thoroughly after handling. Do not touch eyes. P337+P317:If eye irritation persists: Get medical help. P332+P317:If skin irritation occurs: Get medical help. P319:Get medical help if you feel unwell.
WGK Germany	3
Merck Index	2240

Solution Calculators

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Basic Description