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CAS

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3984-19-8

p-Dioxane, also known as methylene dioxane, is a cyclic ether with the chemical formula C4H8O2. It is a colorless, volatile, and flammable liquid with a sweet odor. This organic compound is widely used as a solvent in various industries, including pharmaceuticals, cosmetics, and paints. p-Dioxane is known for its ability to dissolve a broad range of substances, making it a versatile solvent. However, it is also classified as a hazardous substance due to its potential health risks, such as causing irritation to the eyes, skin, and respiratory system, as well as being a suspected carcinogen. As a result, its use is regulated in many countries, and efforts are being made to find safer alternatives.

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  • 3984-19-8 Structure

  • Basic information

    1. Product Name: p-Dioxane, methylene-
    2. Synonyms: p-Dioxane, methylene-;Methylene-1,4-dioxane
    3. CAS NO:3984-19-8
    4. Molecular Formula: C5H8O2
    5. Molecular Weight: 0
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 3984-19-8.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 147°C at 760 mmHg
    3. Flash Point: 48.1°C
    4. Appearance: /
    5. Density: 1g/cm3
    6. Vapor Pressure: 5.72mmHg at 25°C
    7. Refractive Index: 1.435
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: p-Dioxane, methylene-(CAS DataBase Reference)
    11. NIST Chemistry Reference: p-Dioxane, methylene-(3984-19-8)
    12. EPA Substance Registry System: p-Dioxane, methylene-(3984-19-8)

  • 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: 3984-19-8(Hazardous Substances Data)

3984-19-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3984-19-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,8 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3984-19:
(6*3)+(5*9)+(4*8)+(3*4)+(2*1)+(1*9)=118
118 % 10 = 8
So 3984-19-8 is a valid CAS Registry Number.
InChI:InChI=1/C5H8O2/c1-5-4-6-2-3-7-5/h1-4H2

3984-19-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-methylidene-1,4-dioxane

1.2 Other means of identification

Product number -
Other names 2-Methylene-1,4-dioxane

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:3984-19-8 SDS

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