239-72-5

• 

• Basic information

  1. Product Name: Dinaphtho[1,2-b:2',1'-d]thiophene
  2. Synonyms: 1,2,7,8-Dibenzo-9-thiafluorene
  3. CAS NO:239-72-5
  4. Molecular Formula: C20H12 S
  5. Molecular Weight: 284.381
  6. EINECS: N/A
  7. Product Categories: N/A
  8. Mol File: 239-72-5.mol

• Chemical Properties

  1. Melting Point: 252-253 °C
  2. Boiling Point: 523.2±19.0 °C(Predicted)
  3. Flash Point: 205.1oC
  4. Appearance: N/A
  5. Density: 1.320±0.06 g/cm3(Predicted)
  6. Refractive Index: N/A
  7. Storage Temp.: N/A
  8. Solubility: N/A
  9. CAS DataBase Reference: Dinaphtho[1,2-b:2',1'-d]thiophene(CAS DataBase Reference)
  10. NIST Chemistry Reference: Dinaphtho[1,2-b:2',1'-d]thiophene(239-72-5)
  11. EPA Substance Registry System: Dinaphtho[1,2-b:2',1'-d]thiophene(239-72-5)

• 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: 239-72-5(Hazardous Substances Data)

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• SDS
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• Downstream Products

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239-72-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 239-72-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,3 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 239-72:
(5*2)+(4*3)+(3*9)+(2*7)+(1*2)=65
65 % 10 = 5
So 239-72-5 is a valid CAS Registry Number.

239-72-5SDS

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	1,2,7,8-Dibenzo-9-thiafluorene

1.2 Other means of identification

Product number	-
Other names	Dinaphtho<1,2-b:2',1'-d>Dinaphtho[1,2-b,2',1'-d]thiophen

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:239-72-5 SDS

239-72-5Upstream product

239-72-5Downstream Products

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