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H6654

Sigma-Aldrich

Methyl 4-hydroxybenzoate

BioXtra, ≥99.0% (titration)

Synonym(s):

p-Hydroxybenzoic acid methyl ester, Methyl paraben, NIPAGIN

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About This Item

Linear Formula:
HOC6H4CO2CH3
CAS Number:
99-76-3
Molecular Weight:
152.15
Beilstein:
509801
EC Number:
202-785-7
MDL number:
MFCD00002352
UNSPSC Code:
51452201
PubChem Substance ID:
24895757
NACRES:
NA.25

product line

BioXtra

Quality Level

200

Assay

≥99.0% (titration)

impurities

≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter

ign. residue

≤0.1%

mp

125-128 °C (lit.)

solubility

ethanol: 0.1 M, clear, colorless

anion traces

chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤0.05%

cation traces

Al: ≤0.0005%
Ca: ≤0.005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.001%
NH4+: ≤0.05%
Na: ≤0.02%
Pb: ≤0.001%
Zn: ≤0.0005%

SMILES string

COC(=O)c1ccc(O)cc1

InChI

1S/C8H8O3/c1-11-8(10)6-2-4-7(9)5-3-6/h2-5,9H,1H3

InChI key

LXCFILQKKLGQFO-UHFFFAOYSA-N

Gene Information

rat ... Ar(24208)

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Related Categories

Pictograms

Environment
GHS09

Hazard Statements

H411

Precautionary Statements

P273 - P391 - P501

Hazard Classifications

Aquatic Chronic 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

334.4 °F

Flash Point(C)

168 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000390068
0000388995
0000387610
0000353405
0000355026

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Ismail I Hewala et al.
Talanta, 88, 623-630 (2012-01-24)
Simple methods for HPTLC peak purity assessment and identification of the HPTLC peaks were presented. The spectrodensitograms - selected at different time intervals across the elution time of the HPTLC peak - were extracted and digital algorithms for manipulating the
Gabriela Oliveira et al.
International journal of pharmaceutics, 435(1), 38-49 (2012-05-29)
Simple topical formulations which include volatile components, such as gels or sprays, are appealing from a cosmetic perspective. However, complex formulation effects may result from the use of volatile excipients in topical formulations, particularly when applied at clinically relevant doses
Kyung-Jin Min et al.
Aging cell, 7(2), 199-206 (2008-01-29)
Reduced insulin/insulin-like growth factor (IGF) signaling may be a natural way for the reduction of dietary nutrients to extend lifespan. While evidence challenging this hypothesis is accumulating with Caenorhabditis elegans, for Drosophila melanogaster it is still thought that insulin/IGF and
Marisa H Miceli et al.
Antimicrobial agents and chemotherapy, 56(1), 148-153 (2011-10-12)
Infections and thromboses are the most common complications associated with central venous catheters. Suggested strategies for prevention and management of these complications include the use of heparin-coated catheters, heparin locks, and antimicrobial lock therapy. However, the effects of heparin on
M G Soni et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 40(10), 1335-1373 (2002-10-22)
Methyl paraben (CAS No. 99-76-3) is a methyl ester of p-hydroxybenzoic acid. It is a stable, non-volatile compound used as an antimicrobial preservative in foods, drugs and cosmetics for over 50 years. Methyl paraben is readily and completely absorbed through
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