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Merck
CN

70270

2-Naphthalenesulfonyl chloride

puriss., ≥99.0% (AT)

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About This Item

Empirical Formula (Hill Notation):
C10H7ClO2S
CAS Number:
93-11-8
Molecular Weight:
226.68
EC Number:
202-219-9
UNSPSC Code:
12352100
PubChem Substance ID:
329762395
Beilstein/REAXYS Number:
641898
MDL number:
MFCD00004087

Key Documents

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Product Name

2-Naphthalenesulfonyl chloride, puriss., ≥99.0% (AT)

InChI key

OPECTNGATDYLSS-UHFFFAOYSA-N

InChI

1S/C10H7ClO2S/c11-14(12,13)10-6-5-8-3-1-2-4-9(8)7-10/h1-7H

SMILES string

ClS(=O)(=O)c1ccc2ccccc2c1

grade

puriss.

assay

≥99.0% (AT)

ign. residue

≤0.05%

bp

147.7 °C/0.6 mmHg (lit.)

mp

74-76 °C (lit.)
74-76 °C

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Other Notes

Amino protecting reagent which gives more labile derivatives than tosyl; 2-nasyl is selectively cleaved in the presence of tosyl by Mg/MeOH

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H290,H314

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

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B. Nyasse et al.
The Journal of Organic Chemistry, 64, 7135-7135 (1999)
K Tsuji et al.
Journal of chromatography, 369(1), 105-115 (1986-11-07)
A normal phase high-performance liquid chromatographic (HPLC) method has been developed for the assay of neomycin sulfate. The method involves pre-column derivatization with 2-naphthalenesulfonyl chloride (NSCl) followed by extraction in chloroform and chromatography using a normal phase silica column with
K Tsuji et al.
Journal of chromatography, 333(2), 365-380 (1985-10-04)
A normal-phase high-performance liquid chromatographic (HPLC) method has been developed for the assay of spectinomycin hydrochloride and spectinomycin sulfate for detection at 254 nm. The method involves pre-column derivatization of secondary amines of spectinomycin with 2-naphthalenesulfonyl chloride (NSCl) using a

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