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Safety Information

251976

Sigma-Aldrich

2,4-Dichloro-1-naphthol

95%

Synonym(s):

2,4-Dichloro-α-naphthol, 2,4-Dichloro-1-naphthalenol, 2,4-Dichloronaphthol

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About This Item

Linear Formula:
Cl2C10H5OH
CAS Number:
2050-76-2
Molecular Weight:
213.06
EC Number:
218-103-6
MDL number:
MFCD00003931
UNSPSC Code:
12352100
PubChem Substance ID:
24855172
NACRES:
NA.22

vapor density

7.3 (vs air)

Quality Level

100

Assay

95%

form

solid

mp

104-107 °C (lit.)

solubility

pyridine: soluble 5%, clear, colorless to dark yellow

functional group

chloro

SMILES string

Oc1c(Cl)cc(Cl)c2ccccc12

InChI

1S/C10H6Cl2O/c11-8-5-9(12)10(13)7-4-2-1-3-6(7)8/h1-5,13H

InChI key

HVLJEMXDXOTWLV-UHFFFAOYSA-N

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Application

2,4-Dichloro-1-naphthol has been used in:
  • spectrophotometric determination of arginine with previous modifications of the Sakaguchi reaction
  • guanidinoacetate and guanidinosuccinate assay of urine, an indicator of kidney dysfunction

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

251976-BULK:
251976-100G:
251976-VAR:
251976-25G:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCL4905
MKCL2559
MKBZ4001V
MKBS9652V
MKBJ6350V

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Modification of the Sakaguchi reaction: spectrophotometric determination of arginine in proteins without previous hydrolysis.
Messineo L.
Archives of Biochemistry and Biophysics, 117(3), 534-540 (1966)
Urinary guanidinoacetate-guanidinosuccinate ratio: an indicator of kidney dysfunction.
M Sasaki et al.
Clinical chemistry, 19(3), 315-321 (1973-03-01)

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