Skip to Content
Merck
CN

56168

Camphor benzalkonium methosulfate

analytical standard

Synonym(s):

4-[(2-Oxo-3-bornylidene)methyl]phenyltrimethylammonium methyl sulfate, N,N,N-Trimethyl-4-(2-oxoborn-3-ylidenemethyl)anilinum methyl sulfate, N,N,N-Trimethyl-4-[(4,7,7-trimethyl-3-oxobicyclo[2.2.1]hept-2-ylidene)methyl]benzenaminium methyl sulfate, BCM

Sign In to View Organizational & Contract Pricing.

Select a Size

About This Item

Empirical Formula (Hill Notation):
C20H28NO · CH3SO4
CAS Number:
52793-97-2
Molecular Weight:
409.54
NACRES:
NA.24
UNSPSC Code:
12352212
EC Number:
258-190-8

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Camphor benzalkonium methosulfate, analytical standard

InChI key

BPDGKTMMBDRVHQ-UNVLYCKESA-M

InChI

1S/C20H28NO.CH4O3S/c1-19(2)17-11-12-20(19,3)18(22)16(17)13-14-7-9-15(10-8-14)21(4,5)6;1-5(2,3)4/h7-10,13,17H,11-12H2,1-6H3;1H3,(H,2,3,4)/q+1;/p-1/b16-13-;

SMILES string

[O-]S(=O)(OC)=O.CC1(C)[C@]2([H])CC[C@@]1(C)C(/C2=C\C3=CC=C([N+](C)(C)C)C=C3)=O

grade

analytical standard

assay

≥98.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

impurities

≤3.0% water

application(s)

environmental

format

neat

Quality Level

100

Application

Camphor benzalkonium methosulfate may be used as a reference material for the determination of the analyte in sunscreen products by liquid-chromatographic method.

General description

Camphor benzalkonium methosulfate (CBM) is a highly photostable, fat-soluble organic ultraviolet (UV) filter approved for use in sunscreens/cosmetics to absorb UV rays. CBM is one of the most effective UV absorbers which offers protection against UVB radiations.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCL1657
BCCG6841
BCCC1767
BCBV2754
BCBT7541

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

The degradation products of UV filters in aqueous and chlorinated aqueous solutions
Santos A, et al.
Water Research, 46(10), 3167-3176 (2012)
A reliable and environmentally-friendly liquid-chromatographic method for multi-class determination of fat-soluble UV filters in cosmetic products
Chisvert A, et al.
Analytica Chimica Acta, 790(10), 61-67 (2013)

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