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4-methylnaphthalene-1-sulfonic acid is an organic compound with the chemical formula C11H10O3S. It is a derivative of naphthalene, featuring a methyl group attached to the fourth carbon atom and a sulfonic acid group at the first carbon position. 4-methylnaphthalene-1-sulfonic acid is known for its strong acidity and is often used as a chemical intermediate in the synthesis of various dyes, pharmaceuticals, and other organic compounds. Its structure provides it with unique chemical properties, making it a valuable component in the production of specific chemical products.

6140-10-9

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Basic information
1. Product Name: 4-methylnaphthalene-1-sulfonic acid
2. Synonyms:
3. CAS NO:6140-10-9
4. Molecular Formula: C₁₁H₉O₃S*K
5. Molecular Weight: 222.2603
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: 1.366g/cm³
6. Refractive Index: 1.649
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 4-methylnaphthalene-1-sulfonic acid(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-methylnaphthalene-1-sulfonic acid(6140-10-9)
11. EPA Substance Registry System: 4-methylnaphthalene-1-sulfonic acid(6140-10-9)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 6140-10-9(Hazardous Substances Data)

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6140-10-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6140-10-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,4 and 0 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6140-10:
(6*6)+(5*1)+(4*4)+(3*0)+(2*1)+(1*0)=59
59 % 10 = 9
So 6140-10-9 is a valid CAS Registry Number.

6140-10-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name	potassium,4-methylnaphthalene-1-sulfonic acid

1.2 Other means of identification

Product number	-
Other names	-

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:6140-10-9 SDS

6140-10-9Upstream product

6140-10-9Downstream Products

6627-78-7 1-bromo-4-methylnaphthalene

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