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Orcinol monohydrate

Product NameOrcinol monohydrate
CAS6153-39-5
MFC7H10O3
MW142.15
EINECS678-599-9
MOL File6153-39-5.mol

Chemical Properties

Melting point	56-61 °C
Boiling point	290 °C
Density	1.29
Flash point	147°C/5mm
storage temp.	room temp
solubility	H2O: soluble50mg/mL
form	Powder, Crystals or Flakes
color	off-white to tan
biological source	synthetic
Water Solubility	SOLUBLE
Sensitive	Air Sensitive
Merck	14,6864
BRN	5103474
Stability	Stable. Incompatible with strong oxidizing agents, strong acids. May be air-sensitive.
Major Application	diagnostic assay manufacturing hematology histology
InChI	1S/C7H8O2.H2O/c1-5-2-6(8)4-7(9)3-5;/h2-4,8-9H,1H3;1H2
InChIKey	NBKPNAMTHBIMLA-UHFFFAOYSA-N
SMILES	O.Cc1cc(O)cc(O)c1
CAS DataBase Reference	6153-39-5(CAS DataBase Reference)

Safety Information

Hazard Codes	Xn
Risk Statements	36/37/38-22-20/21/22
Safety Statements	37/39-26-36
WGK Germany	3
RTECS	VH2100000
TSCA	Yes
HS Code	29072100
Storage Class	11 - Combustible Solids
Hazard Classifications	Acute Tox. 4 Oral Eye Irrit. 2 Skin Irrit. 2 STOT SE 3

MSDS

Provider	Language
ACROS	English
ALFA	English

Usage And Synthesis

Description

A pyranoquinolone alkaloid found in Oricia suaveolens, this base does not form salts with mineral acids. The structure has been established by synthesis as 6:7- dimethoxy-N-methylflindersine.

Chemical Properties

White to beige crystalline powder

Uses

Orcinol monohydrate is usually used to prepare colorimetric reagents for the determination of RNA, DNA,and hexoses.

Uses

5-Methylbenzene-1,3-diol Hydrate is the hydrated form of 3,5-Dihydroxytoluene(D454760); 3,5-Dihydroxytoluene is found in lichen fungi and can improve functional properties of lysozyme.

Uses

Reagent for sugars.

General Description

Orcinol is a small-molecule natural phenol involved in the production of a dye called orcein used for the staining of cells and chromosomes. Orcinol monohydrate is usually used to prepare a colorimetric reagent known as Bial′s reagent for the determination of RNA, DNA, and hexoses.

Purification Methods

Purify orcine by recrystallisation from H2O as the monohydrate. It sublimes in vacuo, and the anhydrous compound has m 106.5-108o (110o, 108o). It can be recrystallised from CHCl3 (plates) or *C6H6 (needles or prisms). [UV: Kiss et al. Bull Soc Chim Fr 275 1949, Adams et al. J Am Chem Soc 62 732 1940.]

References

Abe, Taylor., Phytochern., 10, 1167 (1971)

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