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2-Hydroxy-1,4-naphthoquinone

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Formula: C10H6O3
CAS: 83-72-7

Identification

Structural Formula
2-Hydroxy-1,4-naphthoquinone
CAS:
83-72-7
EINECS:
201-496-3
Molecular Formula:
C10H6O3
MDL:
MFCD00001678
SMILES:
C1=CC=C2C(=C1)C(=CC(=O)C2=O)O
Synonym:
2-hydroxy-1,4- ; mehendi ; ci 75480 ; henna ; 2-羟基-1,4-萘醌 ; mendi ; hana ; lawsone ; lawson ; lawsone(p)


Description

2-Hydroxy-1,4-naphthoquinone (Lawsone) is a naphthoquinone dye isolated from leaves of Lawsonia inermis, the Henna plant used for preparing decorative hair and skin dyes. In addition to strong light interaction which underlies the aesthetic properties of Henna, 2-Hydroxy-1,4-naphthoquinone also demonstrates antimicrobial and antioxidant effects. The observations that 2-Hydroxy-1,4-naphthoquinone participates in radical scavenging and in redox cycling with the hypoxanthine/xanthine oxidase system are attributable to the electronics of the naphthoquinone structure. This naphthoquinone structure also imparts cytotoxic properties to 2-Hydroxy-1,4-naphthoquinone and is conserved across many antibiotics, though this particular mechanism of cytotoxicity is not thought to involve redox cycling. In vitro 2-Hydroxy-1,4-naphthoquinone is shown to suppress the formation of hydrogen peroxide and superoxide radical anion by aldehyde oxidase-catalyzed reactions.


Suppliers

Autech Industry Co.,Limited
AIC15126048
Nantong Xindao Biotech Ltd
NXB14565824
BLD Pharmatech Ltd
BP10083024
Chemlyte Solutions
CS10083024
VUOS - Vyzkumny ustav organickych syntez a.s.
V-VUOSA252020160
Xiamen Equation Chemical Co.,Ltd
XECC17928960
Hangzhou Keying Chem Co., Ltd.
HKC16806720
Xiamen Hisunny Chemical Co., Ltd.
XHC18487392
DSL Chemicals (Shanghai) Co., Ltd.
DC19047616
Simagchem Corporation
SC11763528
Xingrui Industry Co., Limited
XIL16246496
Zehao Industry Co., Ltd.
ZI13444032
Santa Cruz Biotechnology, Inc.
254254
Chemos GmbH & Co. KG
CC11203360
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Chemieliva Pharmaceutical Co., Ltd.
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Leap Chem Co., Ltd
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Hangzhou J&H Chemical Co., Ltd.
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Skyrun Industrial Co., Ltd.
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Hangzhou Ocean Chemical Co., Ltd.
HOC17166864
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Shanghai Worldyang Chemical Co., Ltd.
SWC19247696
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Ambeed, Inc.
A207432
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Ascender Chemical Co.,Ltd
ACC13005200
2-Hydroxy-p-naphthoquinone
AK Scientific, Inc.
AS4941482
2-Hydroxy-p-naphthoquinone
Key Organics Limited
GS-3117
2-Hydroxy-1,4-Naphthaquinone
DSL Chemicals (Shanghai) Co., Ltd.
C005188
2-Hydroxy-p-naphthoquinone 99%
Acros Organics BVBA
AOB5702280
2-Hydroxy-1,4-naphthoquinone, 98+%
Alfa (A Johnson Matthey Company)
A21766528
Lawsone (2-Hydroxy-1,4-naphthoquinone)
Molekula
30080734

Prices & Availability




Data is processed


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Properties for 2-Hydroxy-1,4-naphthoquinone

Molecular Weight:
174.15 g·mol−1
Melting point:
192-195 °C (dec.)(lit.)
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Safety & Transport Information

Risk Codes:
R22 - Harmful if swallowed
R36 - Irritating to eyes
R36/37/38 - Irritating to eyes, respiratory system and skin
R68 - Possible risk of irreversible effects
Safety Codes:
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
S37/39 - Wear suitable gloves and eye/face protection
Hazard Symbols:
Xi, Xn
Hazard symbol Xn Hazard symbol Xi
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Alternative Distributors of [2-Hydroxy-1,4-naphthoquinone]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

ABCR GmbH & Co. KG | TCI Europe NV | Lightchem Limited | Ubichem PLC | Suzhou Rovathin Pharmatech Co., Ltd | Share Chemical Co., Ltd. | Jinan Great Chemical Co., Ltd. | East Chemical Industry Co., Ltd. | Zhejiang Kaili Industrial Co., Ltd. | Yongyi Chemicals Group Co., Ltd. | Jinan Haohua Industry Co., Ltd. | Pfaltz & Bauer, Inc. | Gihi Chemicals Co., Limited

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