Basic information
- CAS
51811-82-6- Standard SMILES
C[N+](C)=c1ccc2nc3ccc(N)cc3sc-2c1.[Cl-]- InChIKey
NALREUIWICQLPS-UHFFFAOYSA-N- Molecular formula
- C14H14ClN3S
- Average molar mass
- 291.8 g/mol
- Monoisotopic mass
- 291.0596963
Overview
Azure A is an organic chloride salt having 3-amino-7-(dimethylamino)phenothiazin-5-ium as the counterion. It is used in making azure eosin stains for blood smear staining. It has a role as a fluorochrome and a histological dye. It contains a 3-amino-7-(dimethylamino)phenothiazin-5-ium.
Names & identifiers
- Preferred name
- Giemsa Stain
- IUPAC
- (7-aminophenothiazin-3-ylidene)-dimethylazanium chloride
- English name
- AZURE A EOSINATE, PURE
- Molecular formula
- C34H20Br4N3O5S-
- Molecular weight
- 902.23
Names & synonyms
Giemsa stain51811-82-6Giemsa's stainStain, GiemsaRefChem:922205257-438-2AZURE A531-53-3DimethylthionineAzure A chloride3-Amino-7-(dimethylamino)phenothiazin-5-ium chlorideAzur A
Show more names
AZURE A EOSINATE, PURE3-amino-7-(dimethylamino)phenothiazin-5-ium, salt with 2',4',5',7'-tetrabromo-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one (2:1)
N,N-DimethylthionineC.I. 52005Phenothiazin-5-ium, 3-amino-7-(dimethylamino)-, chloride3-Amino-7-dimethylaminophenothiazin-5-ium chlorideasym-Dimethyl-3,7-diaminophenazathionium chloride3-Amino-7-dimethylaminophenazathionium chlorideAzure A (chloride)Azure A (Technical Grade)
Database identifiers
- CAS
51811-82-6、531-53-3、62298-43-5、8050-34-8- PubChem CID
- 13735
- DTXSID
DTXSID2040157- ChEMBL
CHEMBL3330735- ChEBI
CHEBI:87637- UNII
Properties
Computed structural properties
- Topological polar surface area
- 66.7 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 4
- Rotatable bonds
- 0
- Heavy atoms
- 19
- Formal charge
- 0
- Complexity
- 483
Experimental & physicochemical properties
Chemical ClassesDyes -> Azine Dyes
Density0.89 @25 °C
Melting Point300 °C
Physical DescriptionDark green crystalline powder; [Acros Organics MSDS]
Physicochemical properties
- storage temp.
- room temp
- form
- powder or crystals
- color
- green to black
- λmax
- 522 nm · 522 nm (2nd)628 nm
- Major Application
- diagnostic assay manufacturinghematologyhistology
- InChI
- 1S/C14H13N3S.ClH/c1-17(2)10-4-6-12-14(8-10)18-13-7-9(15)3-5-11(13)16-12;/h3-8,15H,1-2H3;1H
- InChIKey
- NALREUIWICQLPS-UHFFFAOYSA-N
- SMILES
- [Cl-].C\[N+](C)=C1/C=CC2=Nc3ccc(N)cc3SC2=C1
- CAS DataBase Reference
- 62298 · 62298-43-5
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
Warning
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
P264+P265, P280, P305+P351+P338, and P337+P317 (click each P-code to see the statement)
Aggregated GHS information provided per 6 reports by companies from 2 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory Information
Chemical: Giemsa's stain
Giemsa's stain: Does not have an individual approval but may be used under an appropriate group standard
Hazards SummaryMay cause irritation; [Acros Organics MSDS]
Hazard Classes and CategoriesEye Irrit. 2 (100%)
Safety & protection
Protective Action Criteria (PAC)
0.23 [mg/m3]
2.5 [mg/m3]
15 [mg/m3]
Safety data
- wgk
- 3
- hs_code
- 32041900
- Storage Class
- 11 - Combustible Solids
Chemistry & industry
Pharmacology
MeSH Pharmacological ClassificationChemicals and substances that impart color including soluble dyes and insoluble pigments. They are used in INKS; PAINTS; and as INDICATORS AND REAGENTS.
Uses & manufacturing
General Manufacturing InformationGiemsa's stain: ACTIVE
Applications
Usesdiagnostic assay manufacturinghematologyhistology
Suppliers100 total
北京华美互利生物化工010-56205725 · [email protected]
阿诺西（上海）生物技术有限公司400-1107768 15058188853 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
湖南韵邦生物科技股份有限公司0731-88532326 13319508186 · [email protected]
湖北威德利化学试剂有限公司186-02735115 18062128043 · [email protected]
武汉英诺医药科技有限公司+86-027-59232304 15387063101 · [email protected]
上海康朗生物科技有限公司021-61998208 18217752821 · [email protected]
艾吉析科技（上海）有限公司17717235263 · [email protected]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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