Chromotropic acid disodium salt dihydrate
| Code | Size | Price |
|---|
| CDX-C0231-G050 | 50 g | £72.00 |
Quantity:
| CDX-C0231-G250 | 250 g | £230.00 |
Quantity:
Prices exclude any Taxes / VAT
Overview
Regulatory Status: RUO
Shipping:
Ambient
Storage:
+20°C
Documents
Further Information
Alternate Names/Synonyms:
1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt; 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt; Mordant Brown 7 Dihydrate; Chromogen C Dihydrate
Appearance:
Off-white solid.
CAS:
5808-22-0
EClass:
32160000
Form (Short):
liquid
GHS Symbol:
GHS07
Handling Advice:
Protect from light and moisture.
Hazards:
H315, H319, H335
InChi:
InChI=1S/C10H8O8S2.2Na.2H2O/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8;;;;/h1-4,11-12H,(H,13,14,15)(H,16,17,18);;;2*1H2/q;2*+1;;/p-2
InChiKey:
QUEAKWJKJBFNEG-UHFFFAOYSA-L
Long Description:
Chemical. CAS: 5808-22-0. Formula: (HO)2C10H4(SO3Na)2 . 2H2O. MW: 364.3 . 36.0. Synthetic. Fluorogenic reagent for analytical the detection of Ag, ClO3-, Cr, Hg, NO2-, NO32-, Ti or CH2O (formaldehyde). Quantitative determination of formaldehyde is based on the specific formation of a red coloration (peaking at 580 nm wavelength) when chromotropic acid in 75% sulfuric acid reacts with formaldehyde. May be employed as a chromogenic reagent for the quantification of dipyrone in various pharmaceutical preparations.
MDL:
MFCD00150612
Molecular Formula:
(HO)2C10H4(SO3Na)2 . 2H2O
Molecular Weight:
364.3 . 36.0
Package Type:
Vial
Precautions:
P261, P305, P351, P338
Product Description:
Fluorogenic reagent for analytical the detection of Ag, ClO3-, Cr, Hg, NO2-, NO32-, Ti or CH2O (formaldehyde). Quantitative determination of formaldehyde is based on the specific formation of a red coloration (peaking at 580 nm wavelength) when chromotropic acid in 75% sulfuric acid reacts with formaldehyde. May be employed as a chromogenic reagent for the quantification of dipyrone in various pharmaceutical preparations.
Purity:
>99% (T)
Signal word:
Warning
SMILES:
OC1=C(C(O)=CC(S(=O)([O-])=O)=C2)C2=CC(S(=O)([O-])=O)=C1.O.O.[Na+].[Na+]
Solubility Chemicals:
Soluble in water.
Source / Host:
Synthetic.
Transportation:
Non-hazardous
UNSPSC Category:
Fluorescent Reagents
UNSPSC Number:
41105331
Use & Stability:
Stable for at least 2 years after receipt when stored at +20°C.
References
(1) D. Letourneau & N. Krog; Plant Physiol. 27, 822 (1952) | (2) H.B. He, et al.; Talanta 38, 1159 (1991) | (3) B.-L. Poh, et al.; Tetrahedr. Lett. 30, 1005 (1989) | (4) B.K. Pal & K. Baksi; Mikrochim. Acta 108, 275 (1992) | (5) Z. Zhao, et al.; Microchem. J. 58, 1 (1998) | (6) L. Pezza, et al.; Anal. Sci. 16, 313 (2000) | (7) F. Gasparini, et al.; J. Braz. Chem. Soc. 19, 1531 (2008)