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Key Documents

21-1510

Sigma-Aldrich

Ninhydrin

SAJ special grade, ≥98.0%

Synonym(s):

1,2,3-Indantrione monohydrate, 2,2-Dihydroxy-1,3-indanedione, Trioxohydrindene monohydrate

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About This Item

Empirical Formula (Hill Notation):
C9H6O4
CAS Number:
Molecular Weight:
178.14
Beilstein/REAXYS Number:
1910963
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
grade:
SAJ special grade
assay:
≥98.0%

grade

SAJ special grade

assay

≥98.0%

form

solid

availability

available only in Japan

dilution

(for analytical testing)

mp

250 °C (dec.) (lit.)

SMILES string

OC1(O)C(=O)c2ccccc2C1=O

InChI

1S/C9H6O4/c10-7-5-3-1-2-4-6(5)8(11)9(7,12)13/h1-4,12-13H

InChI key

FEMOMIGRRWSMCU-UHFFFAOYSA-N

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Application

Used for the detection of free amino groups in amino acids, peptides and proteins.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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