MilliporeSigma
All Photos(1)

W398403

Sigma-Aldrich

4-Hydroxybenzaldehyde

≥97%, FG

Synonym(s):
p-Hydroxybenzaldehyde
Linear Formula:
HOC6H4CHO
CAS Number:
Molecular Weight:
122.12
FEMA Number:
3984
Beilstein:
471352
EC Number:
MDL number:
PubChem Substance ID:
Flavis number:
5.047
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG
Fragrance grade
Halal
Kosher

Agency

follows IFRA guidelines

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 872/2012
FDA 21 CFR 110

Assay

≥97%

mp

112-116 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

Organoleptic

almond; balsamic; nutty; sweet

SMILES string

[H]C(=O)c1ccc(O)cc1

InChI

1S/C7H6O2/c8-5-6-1-3-7(9)4-2-6/h1-5,9H

InChI key

RGHHSNMVTDWUBI-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

1 of 4

This Item
W269204W269107W212709
Isovaleraldehyde ≥97%, FG

Sigma-Aldrich

W269204

Isovaleraldehyde

Benzaldehyde ≥98%, FG, FCC

Sigma-Aldrich

W212709

Benzaldehyde

biological source

synthetic

biological source

synthetic

biological source

synthetic

biological source

synthetic

grade

FG, Fragrance grade, Halal, Kosher

grade

FG, Fragrance grade, Halal, Kosher

grade

FG, Halal, Kosher

grade

FG, Halal, Kosher

agency

follows IFRA guidelines

agency

follows IFRA guidelines, meets purity specifications of JECFA

agency

-

agency

meets purity specifications of JECFA

assay

≥97%

assay

≥97%

assay

≥95%

assay

≥98%

mp

112-116 °C (lit.)

mp

-

mp

-

mp

−26 °C (lit.)

documentation

see Safety & Documentation for available documents

documentation

see Safety & Documentation for available documents

documentation

see Safety & Documentation for available documents

documentation

see Safety & Documentation for available documents

General description

4-hydroxybenzaldehyde occurs naturally in vanilla beans and is one of the keys contributors to the vanilla flavor.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

345.2 °F

Flash Point(C)

174 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

(enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service