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1,2-Naphthalic anhydride, also known as alpha-naphthalic anhydride, is a chemical compound with the molecular formula C12H6O3. It is derived from naphthalene and features two carbonyl groups attached to a naphthalene ring. This substance is a solid crystalline powder, white to light beige in appearance. It is commonly used in organic synthesis and for the manufacture of dyestuffs, pharmaceuticals, and resin additives. However, it is considered hazardous and is known to cause eye irritation and harm to the respiratory system, so it must be handled with caution.

5343-99-7

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5343-99-7 Usage

Uses

Used in Organic Synthesis:
1,2-Naphthalic anhydride is used as a key intermediate in the synthesis of various organic compounds, due to its reactive carbonyl groups and naphthalene ring structure.
Used in Dye Industry:
1,2-Naphthalic anhydride is used as a raw material for the production of dyestuffs, contributing to the color and stability of the dyes.
Used in Pharmaceutical Industry:
1,2-Naphthalic anhydride is used as a building block in the synthesis of certain pharmaceuticals, providing a versatile scaffold for drug development.
Used in Resin Additives:
1,2-Naphthalic anhydride is used as a component in the formulation of resin additives, enhancing the properties of resins such as durability and resistance to environmental factors.

Check Digit Verification of cas no

The CAS Registry Mumber 5343-99-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,3,4 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5343-99:
(6*5)+(5*3)+(4*4)+(3*3)+(2*9)+(1*9)=97
97 % 10 = 7
So 5343-99-7 is a valid CAS Registry Number.

5343-99-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,2-Naphthalic Anhydride

1.2 Other means of identification

Product number -
Other names Naphtho[1,2-c]furan-1,3-dione

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:5343-99-7 SDS

5343-99-7Relevant academic research and scientific papers

Photocatalytic degradation of polycyclic aromatic hydrocarbons in GaN:ZnO solid solution-assisted process: Direct hole oxidation mechanism

Kou, Jiahui,Li, Zhaosheng,Guo, Yong,Gao, Jun,Yang, Ming,Zou, Zhigang

experimental part, p. 48 - 54 (2010/10/01)

GaN:ZnO exhibits excellent activity for the photodegradation of PAHs, and the activity can be obviously improved by loading Pt. The degradation of PAHs in the system of GaN:ZnO is induced by the formation of holes. The holes generated then interact with PAHs to produce PAHs+, which is active enough to react with O2.

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