526-75-0

Name 1-Hydroxy-2,3-dimethylbenzene
CAS 526-75-0
EINECS(EC#) 208-395-3
Molecular Formula C8H10O
MDL Number MFCD00002227
Molecular Weight 122.16
MOL File 526-75-0.mol
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Chemical Properties

Appearance brown crystalline solid
Melting point  70-73 °C(lit.)
Boiling point  217 °C(lit.)
density  1.02~1.03
vapor density  4.23 (vs air)
vapor pressure  59.995kPa at 25℃
refractive index  1.5420
Fp  95 °C
storage temp.  room temp
solubility  Chloroform (Sparingly), Methanol (Slightly)
form  powder to crystal
pka pK1:10.50 (25°C)
color  White to Orange to Green
Odor at 10.00 % in dipropylene glycol. phenolic chemical musty
Odor Type phenolic
Water Solubility  slightly soluble
Merck  14,10082
BRN  1906267
Henry's Law Constant 6.7×100 mol/(m3Pa) at 25℃, Brockbank (2013)
Exposure limits ACGIH: TWA 1 ppm
Cosmetics Ingredients Functions PERFUMING
InChI 1S/C8H10O/c1-6-4-3-5-8(9)7(6)2/h3-5,9H,1-2H3
InChIKey QWBBPBRQALCEIZ-UHFFFAOYSA-N
SMILES Cc1cccc(O)c1C
LogP 2.115 at 25℃
CAS DataBase Reference 526-75-0(CAS DataBase Reference)
NIST Chemistry Reference Phenol, 2,3-dimethyl-(526-75-0)
EPA Substance Registry System 526-75-0(EPA Substance)
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Safety Data

Symbol(GHS)  Corrosion (GHS05)Skull and Crossbones (GHS06)Environment (GHS09)
GHS05,GHS06,GHS09
Signal word  Danger
Hazard statements  H301+H311-H314-H411
Precautionary statements  P260-P273-P280-P301+P310+P330-P303+P361+P353-P305+P351+P338
Hazard Codes  T,N
Risk Statements 
R24/25:Toxic in contact with skin and if swallowed .
R34:Causes burns.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  UN 2261 6.1/PG 2
WGK Germany  3
RTECS  ZE5500000
TSCA  Yes
REACH Registrations Active
HazardClass  6.1
PackingGroup  II
HS Code  29071990
Storage Class 6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials
Hazard Classifications Acute Tox. 3 Dermal
Acute Tox. 3 Oral
Aquatic Chronic 2
Eye Dam. 1
Skin Corr. 1B
Safety Profile
Poison bj 7 intravenous . route. When heated to decomposition it emits acrid smoke and irritating fumes. See also other xylenol entries.
Hazardous Substances Data 526-75-0(Hazardous Substances Data)

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