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Merck
CN

21-1510

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:
485-47-2
Molecular Weight:
178.14
EC Number:
207-618-1
UNSPSC Code:
12352100
PubChem Substance ID:
329752094
Beilstein/REAXYS Number:
1910963
MDL number:
MFCD00003791
Assay:
≥98.0%
Grade:
SAJ special grade

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InChI key

FEMOMIGRRWSMCU-UHFFFAOYSA-N

InChI

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

SMILES string

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

grade

SAJ special grade

assay

≥98.0%

form

solid

availability

available only in Japan

dilution

(for analytical testing)

mp

250 °C (dec.) (lit.)

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Application

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

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
U1567
U3527
U3526
U7451
U6468

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Chao Li et al.
Journal of biomaterials science. Polymer edition, 23(1-4), 405-424 (2011-02-12)
Biomaterials have been playing important roles in cartilage regeneration. Although many scaffolds have been reported to enhance cartilage regeneration, none of the scaffolds available are optimal regarding mechanical properties, integration with host cartilage and providing proper micro-environment for chondrocyte attachment
Darren B Hansen et al.
Chemical Society reviews, 34(5), 408-417 (2005-04-27)
Following its discovery by Siegfried Ruhemann in 1910, ninhydrin rapidly became a practical analytical tool. In 1954 it was found to be an important reagent to develop fingerprints on porous surfaces. Since its use in forensic chemistry, many efforts have
Joseph Almog et al.
Journal of forensic sciences, 56 Suppl 1, S162-S165 (2011-01-14)
We explored the quality distribution of ninhydrin-developed prints on A4 bond paper in two groups of individuals, in Israel and in India. While the quality distributions of the developed marks in both countries had some dissimilarities, both groups showed the
Yu-Feng Xie et al.
Journal of neurochemistry, 122(3), 605-618 (2012-05-23)
Neurons located in the trigeminal subnucleus caudalis (Vc) play crucial roles in pain and sensorimotor functions in the orofacial region. Because of many anatomical and functional similarities with the spinal dorsal horn (SDH), Vc has been termed the medullary dorsal
Hamid Reza Safaei et al.
Molecular diversity, 16(4), 669-683 (2012-09-13)
CaCl(2) is applied as an efficient reusable and eco-friendly bifunctional catalyst for the one-pot three-component synthesis of 4H-pyrans under ultrasonic irradiation. A broad range of substrates including the aromatic and heteroaromatic aldehydes, indoline-2,3-dione (isatin) derivatives, acenaphthylene-1,2-dione (acenaphthenequinone) and 2, 2-dihydroxy-2H-indene-1,3-dione
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