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Key Documents

8.20801

Sigma-Aldrich

2-Methylhydroquinone

for synthesis

Synonym(s):

2-Methylhydroquinone, 2,5-Dihydroxytoluene, Toluhydroquinone

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About This Item

Linear Formula:
2-(CH3)C6H3-1,4-(OH)2
CAS Number:
95-71-6
Molecular Weight:
124.14
MDL number:
MFCD00002345
UNSPSC Code:
12352104
EC Index Number:
202-443-7
NACRES:
NA.22

Quality Level

200

Assay

≥97.0% (HPLC)

form

crystals

autoignition temp.

468 °C

potency

200-400 mg/kg LD50, oral (Rat)

mp

124-127 °C

transition temp

flash point 172 °C

solubility

77 g/L

storage temp.

2-30°C

InChI

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

InChI key

CNHDIAIOKMXOLK-UHFFFAOYSA-N

Analysis Note

Assay (HPLC, area%): ≥ 97.0 % (a/a)
Melting range (lower value): ≥ 125 °C
Melting range (upper value): ≤ 128 °C
Identity (IR): passes test

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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