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A4624612

Guaiacol , 98% , 90-05-1

Synonym(s):
2-Methoxyphenol;Catechol monomethyl ether;Pyrocatechol monomethyl ether

CAS NO.:90-05-1

Empirical Formula: C7H8O2

Molecular Weight: 124.14

MDL number: MFCD00002185

EINECS: 201-964-7

Pack Size Price Stock Quantity
100G RMB39.20 In Stock
500G RMB93.60 In Stock
2.5kg RMB388.80 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 26-29 °C (lit.)
Boiling point: 205 °C (lit.)
Density  1.129 g/mL at 25 °C (lit.)
vapor density  4.27 (vs air)
vapor pressure  0.11 mm Hg ( 25 °C)
refractive index  n20/D 1.543(lit.)
FEMA  2532 | GUAIACOL
Flash point: 180 °F
storage temp.  2-8°C
solubility  H2O: insoluble
form  Liquid After Melting
pka 9.98(at 25℃)
color  Clear colorless to light yellow
PH 5.4 (10g/l, H2O, 20℃)
Odor at 1.00 % in dipropylene glycol. phenolic smoke spice vanilla woody
Odor Type phenolic
Odor Threshold 0.0074ppm
Water Solubility  17 g/L (15 ºC)
FreezingPoint  28℃
Sensitive  Air Sensitive
Merck  14,4553
JECFA Number 713
BRN  508112
Dielectric constant 11.0(-18℃)
Stability: Stable, but air and light sensitive. Combustible. Incompatible with strong oxidizing agents.
InChIKey LHGVFZTZFXWLCP-UHFFFAOYSA-N
LogP 1.34

Description and Uses

Guaiacol is a precursor of vanillin and santalidol (a synthetic sandal- wood fragrance). it is obtained from wood tar by the destructive distillation of hardwood, by the distillation of the phenol fraction of coal tar, or through the use of o-dichlorobenzene. it is processed to yield vanillin.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319
Precautionary statements  P264-P270-P280-P301+P312-P302+P352-P305+P351+P338
Hazard Codes  Xn,T,Xi
Risk Statements  22-36/38
Safety Statements  26
RIDADR  2810
WGK Germany  1
RTECS  SL7525000
Autoignition Temperature 750 °C
Hazard Note  Toxic/Irritant
TSCA  Yes
HazardClass  6.1(b)
PackingGroup  II
HS Code  29095010
Toxicity LD50:900 mg / kg (rat, subcutaneous).
LD50: 3.7 mg / kg (rabbit, intravenously).
Oral administration of large amount can stimulate the esophagus and stomach, resulting in heart failure, collapse and death.
Toxicity LD50 orally in rats: 725 mg/kg (Taylor)

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