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Merck
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Key Documents

8.41424

Sigma-Aldrich

tert-Butylhydroquinone

for synthesis

Synonym(s):

tert-Butylhydroquinone, 2-tert.-Butyl-1,4-dihydroxybenzene

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About This Item

Empirical Formula (Hill Notation):
C10H14O2
CAS Number:
1948-33-0
Molecular Weight:
166.22
MDL number:
MFCD00002344
UNSPSC Code:
12352104
EC Index Number:
217-752-2
NACRES:
NA.22

Quality Level

200

Assay

≥97.0% (GC)

form

powder

autoignition temp.

457 °C

potency

700 mg/kg LD50, oral (Rat)

bp

295 °C/1013 hPa

mp

127-129 °C

transition temp

flash point 171 °C

density

1.05 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C10H14O2/c1-10(2,3)8-6-7(11)4-5-9(8)12/h4-6,11-12H,1-3H3

InChI key

BGNXCDMCOKJUMV-UHFFFAOYSA-N

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Analysis Note

Assay (GC, area%): ≥ 97.0 % (a/a)
Melting range (lower value): ≥ 126 °C
Melting range (upper value): ≤ 129 °C
Identity (IR): passes test

Pictograms

Exclamation markEnvironment
GHS07,GHS09

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

195.8 °F - closed cup

Flash Point(C)

91 °C - closed cup

Certificates of Analysis (COA)

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