MilliporeSigma
All Photos(1)

54680

Sigma-Aldrich

Butyl 4-hydroxybenzoate

≥99.0% (GC)

Synonym(s):
p-Hydroxybenzoic acid n-butyl ester, Butyl paraben, SPF
Linear Formula:
HOC6H4CO2(CH2)3CH3
CAS Number:
Molecular Weight:
194.23
Beilstein:
1103741
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

Assay

≥99.0% (GC)

bp

156-157 °C/3.5 mmHg (lit.)

mp

67-70 °C (lit.)
68-70 °C

SMILES string

CCCCOC(=O)c1ccc(O)cc1

InChI

1S/C11H14O3/c1-2-3-8-14-11(13)9-4-6-10(12)7-5-9/h4-7,12H,2-3,8H2,1H3

InChI key

QFOHBWFCKVYLES-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

1 of 4

This Item
PHL89589B1217000PHR1022
Butyl p-hydroxybenzoate phyproof® Reference Substance

PHL89589

Butyl p-hydroxybenzoate

Butyl parahydroxybenzoate European Pharmacopoeia (EP) Reference Standard

B1217000

Butyl parahydroxybenzoate

Butylparaben Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1022

Butylparaben

assay

≥99.0% (GC)

assay

≥98.0% (HPLC)

assay

-

assay

-

bp

156-157 °C/3.5 mmHg (lit.)

bp

-

bp

-

bp

-

mp

67-70 °C (lit.), 68-70 °C

mp

-

mp

-

mp

-

Quality Level

200

Quality Level

-

Quality Level

-

Quality Level

300

Application

Butyl 4-hydroxybenzoate can be used to synthesize 4-[(9-oxoxanthen-3-yl)-carbonyloxy]benzoate by reacting with 2-phenoxyterephthaloyl dichloride in hot pyridine.

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

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