Skip to Content
Merck
CN

Key Documents

View All Documentation

97085

Benzylidene camphor sulfonic acid

analytical standard

Synonym(s):

α-(2-Oxoborn-3-ylidene)-toluene-4-sulphonic acid, 3-Benzylidenecamphor-4′-sulphonic acid, 4′-Sulfo-3-benzylidenecamphor, 4-[(4,7,7-Trimethyl-3-oxobicyclo[2.2.1]hept-2-ylidene)methyl]benzenesulfonic acid, p-[(2-Oxo-3-bornylidene)methyl]benzenesulfonic acid, BCSA

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C17H20O4S
CAS Number:
56039-58-8
Molecular Weight:
320.40
UNSPSC Code:
85151701
NACRES:
NA.24
Beilstein/REAXYS Number:
14648450
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

grade

analytical standard

Quality Level

100

assay

≥97.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

impurities

≤8.0% water (calc. from elemental analysis)

application(s)

environmental

format

neat

SMILES string

CC1(C)[C@@H]2CC[C@]1(C)C(/C2=C\C3=CC=C(S(=O)(O)=O)C=C3)=O

InChI

1S/C17H20O4S/c1-16(2)14-8-9-17(16,3)15(18)13(14)10-11-4-6-12(7-5-11)22(19,20)21/h4-7,10,14H,8-9H2,1-3H3,(H,19,20,21)/b13-10-

InChI key

KKJKXQYVUVWWJP-RAXLEYEMSA-N

General description

Benzylidene camphor sulfonic acid (BCSA) is an organic ultraviolet absorbing compound used primarily in cosmetics (sunscreens, lipsticks, shampoos and hair sprays).

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

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
BCCP1512
BCCK9997
BCCG4449
BCBZ6396
BCBT5473

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

Organic UV filters and their photodegradates, metabolites and disinfection by-products in the aquatic environment.
Diaz-Cruz MS, et al.
TrAC, Trends in Analytical Chemistry, 27(10), 873-887 (2008)

Global Trade Item Number

SKUGTIN
97085-25MG04061833324905