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Substance Name: Orcinol
RN: 504-15-4
UNII: 534PMB3438
InChIKey: OIPPWFOQEKKFEE-UHFFFAOYSA-N

Note

  • Used as reagent for pentoses, lignin, beet sugar, saccharoses, arabinose & diastase.

Classification Code

  • Indicators and Reagents

Molecular Formula

  • C7-H8-O2

Molecular Weight

  • 124.138
 
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Names and Synonyms

Name of Substance

  • Orcinol

Synonyms

  • 1,3-Dihydroxy-5-methylbenzene
  • 3,5-Dihydroxytoluene
  • 3-Hydroxy-5-methylphenol
  • 4-06-00-05892 (Beilstein Handbook Reference)
  • 5-Methyl-1,3-benzenediol
  • 5-Methylresorcin
  • 5-Methylresorcinol
  • AI3-23954
  • BRN 1071903
  • EINECS 207-984-2
  • NSC 12441
  • Orcin
  • Orcinol
  • Orcinol, 5-methylresorcinol
  • UNII-534PMB3438

Systematic Names

  • 1,3-Benzenediol, 5-methyl-
  • 5-Methyl-1,3-benzenediol
  • 5-Methylresorcinol
  • Resorcinol, 5-methyl-

Registry Numbers

CAS Registry Number

  • 504-15-4

FDA UNII

  • 534PMB3438

System Generated Number

  • 0000504154

Structure Descriptors

InChI

1S/C7H8O2/c1-5-2-6(8)4-7(9)3-5/h2-4,8-9H,1H3

InChIKey

OIPPWFOQEKKFEE-UHFFFAOYSA-N

Smiles

c1(cc(cc(c1)O)O)C

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
frog LDLo subcutaneous 50mg/kg (50mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE
Revue Medicale de la Suisse Romande. Vol. 15, Pg. 561, 1895.
guinea pig LD50 oral 1687mg/kg (1687mg/kg)   Hygiene and Sanitation Vol. 34(4-6), Pg. 16, 1969.
guinea pig LDLo subcutaneous 600mg/kg (600mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: COMA
Revue Medicale de la Suisse Romande. Vol. 15, Pg. 561, 1895.
mammal (species unspecified) LD50 oral 2400mg/kg (2400mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 45(10), Pg. 16, 1980.
mammal (species unspecified) LD50 skin 7800mg/kg (7800mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 45(10), Pg. 16, 1980.
mouse LD50 intraperitoneal 405mg/kg (405mg/kg)   Zhongcaoyao. Chinese Traditional and Herbal Medicine. Vol. 12, Pg. 410, 1981.
mouse LD50 intravenous 290mg/kg (290mg/kg)   Zhongcaoyao. Chinese Traditional and Herbal Medicine. Vol. 12, Pg. 410, 1981.
mouse LD50 oral 772mg/kg (772mg/kg)   Hygiene and Sanitation Vol. 34(4-6), Pg. 16, 1969.
rabbit LD50 oral 2400mg/kg (2400mg/kg)   Hygiene and Sanitation Vol. 34(4-6), Pg. 16, 1969.
rat LD50 oral 844mg/kg (844mg/kg)   Gigiena Truda i Professional'naya Patologiya v Estonskoi SSR. Labor Hygiene and Occupational Pathology in the Estonian SSR. Vol. 8, Pg. 145, 1972.
rat LD50 unreported 844mg/kg (844mg/kg)   Gigiena Truda i Professional'naya Patologiya v Estonskoi SSR. Labor Hygiene and Occupational Pathology in the Estonian SSR. Vol. 8, Pg. 145, 1972.
rat LDLo subcutaneous 1gm/kg (1000mg/kg)   Revue Medicale de la Suisse Romande. Vol. 15, Pg. 561, 1895.
rat LDLo subcutaneous 1gm/kg (1000mg/kg) BEHAVIORAL: COMA

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Revue Medicale de la Suisse Romande. Vol. 15, Pg. 561, 1895.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 107.5 deg C   EXP
Boiling Point 289.5 deg C   EXP
log P (octanol-water) 1.580 (none)   EST
Water Solubility 1.65E+04 mg/L 25 EST
Vapor Pressure 2.80E-03 mm Hg 25 EST
Henry's Law Constant 6.44E-11 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.00E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.