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Safety Information

89600

Sigma-Aldrich

Methylhydroquinone

purum, ≥98.0% (HPLC)

Synonym(s):

Toluhydroquinone

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About This Item

Linear Formula:
CH3C6H3-1,4-(OH)2
CAS Number:
95-71-6
Molecular Weight:
124.14
Beilstein:
2041489
EC Number:
202-443-7
MDL number:
MFCD00002345
UNSPSC Code:
12352100
PubChem Substance ID:
329769752
NACRES:
NA.22

grade

purum

Quality Level

200

Assay

≥98.0% (HPLC)

form

crystals

autoignition temp.

851 °F

mp

126-128 °C
128-130 °C (lit.)

SMILES string

Cc1cc(O)ccc1O

InChI

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

InChI key

CNHDIAIOKMXOLK-UHFFFAOYSA-N

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Signal Word

Danger

Hazard Statements

H314,H317,H335,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1A - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

341.6 °F - closed cup

Flash Point(C)

172 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

89600-100G:
89600-500G:
89600-BULK:
89600-VAR:

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Diethylamine ≥99.5%

Sigma-Aldrich

471216

Diethylamine

C Furihata et al.
Japanese journal of cancer research : Gann, 84(3), 223-229 (1993-03-01)
The possible tumor-promoting and tumor-initiating activities of p-methylcatechol and methylhydroquinone in the pyloric mucosa of male F344 rats were studied. Ornithine decarboxylase (ODC) and replicative DNA synthesis (RDS) were used as markers of tumor promotion and DNA single strand scission
Melissa García-Caballero et al.
Biochemical pharmacology, 85(12), 1727-1740 (2013-04-23)
Toluquinol, a methylhydroquinone produced by a marine fungus, was selected in the course of a blind screening for new potential inhibitors of angiogenesis. In the present study we provide the first evidence that toluquinol is a new anti-angiogenic-compound. In a
Montira Leelakriangsak et al.
Molecular microbiology, 67(5), 1108-1124 (2008-01-23)
Recently, we showed that the MarR-type repressor YkvE (MhqR) regulates multiple dioxygenases/glyoxalases, oxidoreductases and the azoreductase encoding yvaB (azoR2) gene in response to thiol-specific stress conditions, such as diamide, catechol and 2-methylhydroquinone (MHQ). Here we report on the regulation of
J W Priest et al.
Biochemistry, 28(23), 9192-9200 (1989-11-14)
A crude extract that catalyzes the epoxidation of toluquinol and gentisyl alcohol was isolated from cultures of Penicillium patulum. About 60% of the activity sedimented from crude extract upon centrifugation at 105,000g for 2 h, and at 30,000g for 30
Kanako Tago et al.
Journal of bioscience and bioengineering, 100(5), 517-523 (2005-12-31)
Methylhydroquinone is an intermediate in the degradation of fenitrothion by Burkholderia sp. NF100. The catabolic gene (mhq) for methylhydroquinone degradation encoded on the plasmid pNF1 in the strain was cloned and sequenced. The mhq clone contained two ORFs, mhqA and
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