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Cas Database

Name	9-Hydroxyxanthene	EINECS	201-996-1
CAS No.	90-46-0	Density	1.286 g/cm³
PSA	29.46000	LogP	2.87400
Solubility	Soluble in methanol: 0.1 g/mL	Melting Point	122-124 °C
Formula	C₁₃H₁₀O₂	Boiling Point	337.3 °C at 760 mmHg
Molecular Weight	198.221	Flash Point	156.6 °C
Transport Information	UN 1230 3/PG 2	Appearance	white powder
Safety	7-16-24-45-24/25-36-22	Risk Codes	11-23/24/25-39/23/24/25
Molecular Structure		Hazard Symbols	F,T
Synonyms	Xanthen-9-ol(6CI,7CI,8CI);9H-Xanthen-9-ol;9-Xanthydrol;NSC 4038;Xanthydrol;	Article Data	55

9-Hydroxyxanthene Chemical Properties

IUPAC Name: 9H-Xanthen-9-ol
The MF of 9H-Xanthen-9-ol (90-46-0) is C₁₃H₁₀O₂.

The MW of 9H-Xanthen-9-ol (90-46-0) is 198.22.
Synonyms of 9H-Xanthen-9-ol (90-46-0): 9H-xanthen-9-ol ; 9-Hydroxyxanthene ; 9-Xanthenol ; 9-Xanthydrol ; Xanthene, hydroxy- ; Xanthydrol solution
Product Categories: Drug bulk;Heterocycles;Analytical Reagents;Special Applications
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
solubility in methanol: 0.1 g/mL, clear
Apperance: white powder
Index of Refraction: 1.661
EINECS: 201-996-1
Density: 1.286 g/ml
Flash Point: 156.6 °C
Boiling Point: 337.3 °C
Melting Point: 122-124 °C
Storage temp: 2-8 °C
Sensitive: Light Sensitive
BRN: 10395

9-Hydroxyxanthene Uses

9H-Xanthen-9-ol (90-46-0) is used for the determination of urea, DDT, amines, sulfonamides lights, carbamate and replace barbital acid.

9-Hydroxyxanthene Production

Toluene in the dry sodium amalgam warm to 50 ℃, adding xanthone - ethanol suspensions, intense mixing, the temperature rose rapidly to 60-70 ℃. Reaction complete, the mercury separated. Reaction liquid filtration, the filtrate pour into the boiling water, stirring with a blue, filter out the 9 - hydroxy-xanthene, water washing, drying, were finished, the yield of 91-95%.

9-Hydroxyxanthene Toxicity Data With Reference

1.	mmo-sat 100 µg/plate	MUREAV Mutation Research. 150 (1985),141.
2.	mma-sat 100 µg/plate	MUREAV Mutation Research. 150 (1985),141.
3.	orl-rat LDLo:500 mg/kg	NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. 5 (1953),26.

9-Hydroxyxanthene Consensus Reports

Reported in EPA TSCA Inventory.

9-Hydroxyxanthene Safety Profile

Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes. See also ALCOHOL, DENATURED; ALCOHOLS, C6-12; ALCOHOLS, C9-11; ALCOHOLS, C12-13, ETHOXYLATED; ALCOHOLS, C12-15, ETHOXYLATED; ALCOHOLS, C12-16, ETHOXYLATED; ALCOHOLS, C14-15, ETHOXYLATED; ALCOHOLS, C16-18, ETHOXYLATED; ALCOHOLS, C8-10, ETHOXYLATED PROPOXYLATED; ALCOHOLS, C12-15, ETHOXYLATED PROPOXYLATED; ALCOHOLS, N.O.S.
Safety information of 9H-Xanthen-9-ol (90-46-0):
Hazard Codes F,T,Xi,Xn
Risk Statements
11 Highly Flammable
39/23/24/25 Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed
40 Limited evidence of a carcinogenic effect
Safety Statements
7 Keep container tightly closed
16 Keep away from sources of ignition - No smoking
24/25 Avoid contact with skin and eyes
36 Wear suitable protective clothing
22 Do not breathe dust
RIDADR UN 1230 3/PG 2
WGK Germany 3
RTECS ZD5710000
F 8-10-23
Hazard Note Irritant

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