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Key Documents

Safety Information

8.21233

Sigma-Aldrich

4-Methoxyphenol

for synthesis

Synonym(s):

4-Methoxyphenol, 1-Hyroxy-4-methoxybenzene, Hydroquinone monomethyl ether, MEHQ

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About This Item

Empirical Formula (Hill Notation):
C7H8O2
CAS Number:
150-76-5
Molecular Weight:
124.14
MDL number:
MFCD00002332
UNSPSC Code:
12352104
EC Index Number:
205-769-8
NACRES:
NA.22

vapor pressure

0.009 hPa ( 20 °C)

Quality Level

200

Assay

≥99.0% (GC)

form

solid

autoignition temp.

421 °C

potency

1600 mg/kg LD50, oral (Rat)

pH

5.1 (20 °C, 30 g/L in H2O)

bp

234-246 °C/1013 hPa

mp

54-57 °C

transition temp

flash point 131 °C

solubility

40 g/L

density

1.55 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

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

InChI key

NWVVVBRKAWDGAB-UHFFFAOYSA-N

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Application

  • Development of electrochemical immunosensors: 4-Methoxyphenol, is used in developing highly sensitive electrochemical immunosensors due to its favorable electrochemical properties, highlighting its biomedical application in sensor technology (Park et al., 2022).

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 54 °C
Melting range (upper value): ≤ 57 °C
Identity (IR): passes test

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302 - H317 - H319 - H412

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Irrit. 2 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

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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