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C10H6 1 4 Diethynylbenzene CAS 935-14-8 Yellow Powder 126.15 MW 98% Purity

C10H6 1 4 Diethynylbenzene CAS 935-14-8 Yellow Powder 126.15 MW 98% Purity

  • C10H6 1 4 Diethynylbenzene CAS 935-14-8 Yellow Powder 126.15 MW 98% Purity
C10H6 1 4 Diethynylbenzene CAS 935-14-8 Yellow Powder 126.15 MW 98% Purity
Product Details:
Place of Origin: China
Brand Name: RUN
Certification: ISO9001
Model Number: RUN-AH
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Minimum Order Quantity: 10g
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Supply Ability: 1kg --100kg
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Detailed Product Description
CAS: 935-14-8 Product Name: 1,4-Diethynylbenzene
MF: C10H6 MW: 126.15
Appearance: Yellow Powder Purity: 98%
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C10H6 1 4 Diethynylbenzene CAS 935-14-8 Yellow Powder 126.15 MW 98% Purity

Specification

The 1,4-Diethynylbenzene, with the CAS registry number 935-14-8, is also known as Benzene, 1,4-diethynyl-. It belongs to the product categories of Miscellaneous Natural Products; Acetylenes; Acetylenic Hydrocarbons Having Benzene Ring; Building Blocks for Liquid Crystals; Chalcones, etc. (Building Blocks for Liquid Crystals); Fluorenes, etc. (reagent for high-performance polymer research); Functional Materials; Reagent for High-Performance Polymer Research; Alkynes; Organic Building Blocks; Terminal. This chemical's molecular formula is C10H6 and molecular weight is 126.15. What's more, its IUPAC name is the same with its product name. It should be stored in a cool, dry and well-ventilated place.

Physical properties about 1,4-Diethynylbenzene are: (1)ACD/LogP: 3.23; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.23; (4)ACD/LogD (pH 7.4): 3.23; (5)ACD/BCF (pH 5.5): 167.71; (6)ACD/BCF (pH 7.4): 167.71; (7)ACD/KOC (pH 5.5): 1361.27; (8)ACD/KOC (pH 7.4): 1361.27; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 0 Å2; (13)Index of Refraction: 1.567; (14)Molar Refractivity: 40.875 cm3; (15)Molar Volume: 125.075 cm3; (16)Surface Tension: 43.35 dyne/cm; (17)Density: 1.009 g/cm3; (18)Flash Point: 51.851 °C; (19)Enthalpy of Vaporization: 40.188 kJ/mol; (20)Boiling Point: 182.812 °C at 760 mmHg; (21)Vapour Pressure: 1.085 mmHg at 25 °C.

Preparation of 1,4-Diethynylbenzene: this chemical can be prepared by 1,4-Bis-(trimethylsilyl-aethinyl)-benzol. This reaction needs reagent K2CO3 and solvent methanol at temperature of 20 °C. The yield is 97 %.

 

Uses of 1,4-Diethynylbenzene: it is used to produce other chemicals. For example, it can react with cis-1,2-dichloro-ethene to get 1,4-Bis-(4-chloro-but-3-en-1-ynyl)-benzene. The reaction occurs with reagents n-BuNH2, copper(II) acetate, Pd(PPh3)2Cl2 and solvent toluene at ambient temperature. The yield is 70 %.

 

When you are dealing with this chemical, you should be very careful. This chemical may cause inflammation to the skin or other mucous membranes. It may catch fire in contact with air, only need brief contact with an ignition source and have a very low flash point or evolve highly flammable gases in contact with water. It may cause sensitisation by skin contacting. In addition, the production is harmful to aquatic organisms and may cause long-term adverse effects in the aquatic environment. Therefore, you should wear suitable gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1) SMILES: C#Cc1ccc(cc1)C#C
(2) InChI: InChI=1S/C10H6/c1-3-9-5-7-10(4-2)8-6-9/h1-2,5-8H
(3) InChIKey: MVLGANVFCMOJHR-UHFFFAOYSA-N

The toxicity data is as follows:

 

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 unreported 4500mg/kg (4500mg/kg) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 30(5), Pg. 59, 1986.

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