Basic information
- CAS
4197-07-3- Standard SMILES
O=S(=O)([O-])c1cc(O)c2c(O)c(N=Nc3ccccc3)c(S(=O)(=O)[O-])cc2c1.[Na+].[Na+]- InChIKey
GXEAXHYQKZAJGB-UHFFFAOYSA-L- Molecular formula
- C16H10N2Na2O8S2
- Average molar mass
- 468.4 g/mol
- Monoisotopic mass
- 467.96739619
Overview
Acid red 29 is an organic sodium salt that is the disodium salt of 4,5-dihydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonic acid. It is used as the plasma stain in trichrome techniques. It has a role as a histological dye. It contains a 4,5-dihydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonate.
Names & identifiers
- Preferred name
- Disodium 4,5-dihydroxy-3-phenylazonaphthalene-2,7-disulphonate
- IUPAC
- disodium;4,5-dihydroxy-3-phenyldiazenylnaphthalene-2,7-disulfonate
- English name
- CHROMOTROPE 2R
- Molecular formula
- C16H10N2Na2O8S2
- Molecular weight
- 468.37
Names & synonyms
Disodium 4,5-dihydroxy-3-phenylazonaphthalene-2,7-disulphonateRefChem:589356Chromotrope 2R4197-07-3Acid Red 29Fast fuchsine GFast fuchsin GCromatrope 2RChromotrope Red 2RAcid Chromotrope 2RHispacid fuchsin GC.I. Acid Red 29
Show more names
CI 16570CHROMOTRORECI NO 16570Coloring 2RfastfuchsingACID PHLOXINEAZOFUCHSIN 4Gc.i.acidred29fastfuchsineg
Acilan chromotrope RRBrasilan Fast fuchsine GSodium 4,5-dihydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonateNSC 7829disodium;4,5-dihydroxy-3-phenyldiazenylnaphthalene-2,7-disulfonateChromotrope 2R (C.I. 16570)C.I. ACID RED 29, DISODIUM SALTC.I. 16570
Database identifiers
- CAS
4197-07-3- PubChem CID
- 20172
- DTXSID
DTXSID101364767
Properties
Computed structural properties
- Topological polar surface area
- 196 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 10
- Rotatable bonds
- 2
- Heavy atoms
- 30
- Formal charge
- 0
- Complexity
- 756
Physicochemical properties
- storage temp.
- Store at RT.
- solubility
- 2 O: · H2O: 1 mg/mL, dark red
- form
- Crystalline Powder
- Colour Index
- 16570 · 16570
- color
- Reddish-brown
- Water Solubility
- Soluble in water (1 mg/ml).
- Stability
- Stable. Incompatible with strong oxidizing agents.
- Major Application
- diagnostic assay manufacturinghematologyhistology
- InChIKey
- GXEAXHYQKZAJGB-QIKYXUGXSA-L
- SMILES
- [Na+].[Na+].Oc1cc(cc2cc(c(\N=N\c3ccccc3)c(O)c12)S([O-])(=O)=O)S([O-])(=O)=O
- EWG's Food Scores
- 1 · 1
- FDA UNII
- 7 AS9RKD · LLE7AS9RKD
- UNSPSC Code
- 12171500 · 12171500
- NACRES
- 47 · NA.47
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
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
This chemical does not meet GHS hazard criteria for 2.3% (1 of 43) of reports.
Warning
H315 (97.7%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 43 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Hazard Classes and CategoriesSkin Irrit. 2 (97.7%)
Safety data
- PPE
- dust mask type N95 (US), Eyeshields, Gloves
- wgk
- 3
- rtecs
- QJ6418000
- hs_code
- 32041200
- risk_code
- 36/37/38
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- hazard_code
- Xi
- safety_code
- 26-36
- Storage Class
- 11 - Combustible Solids
- Hazard statements
- H315-H319
- Precautionary statements
- P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Chemistry & industry
Applications
UsesSuitable for modified Gomori Trichrome stain
UsesEmployed as an indicator for complexometry. It is also applied as a stain used in modified Gomori Trichrome stain. Used as a stain for cytology.
Preparation methods
Preparationaniline diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acidcoupling.
Upstream & downstream products
Upstream raw materials
Suppliers100 total
国药集团化学试剂有限公司86-21-63210123 · [email protected]
梯希爱(上海)化成工业发展有限公司021-67121386 · [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]
上海康朗生物科技有限公司021-61998208 18217752821 · [email protected]
广州纳珑化工有限公司13192879270; 13192879270 · [email protected]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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