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Acenaphthylene

Acenaphthylene structure

CAS No:
208-96-8
Formula:
C12H8
Chemical Name:
Acenaphthylene
Synonyms:
Acenaphthylene;Cyclopenta[de]naphthalene;NSC 59821
Categories:
Catalyst and Auxiliary > Fluorescent Brightener

Description

Acenaphthylene is a polycyclic aromatic hydrocarbon (PAH) with three aromatic rings. It is used to manufacture plastics. Intermediate for dyes, soaps, pigments, pharmaceuticals, insec-ticide, fungicide, herbicide, and plant growth hormones. Intermediate for naphthalic acids, naphthalic anhydride (intermediate for pigments), and acenaphthylene (intermediate for res-ins). The largest emissions of PAH result from incomplete combustion of organic materials during indust

Acenaphthylene Basic Attributes

Molecular Weight：

152.19

Exact Mass：

152.19

BRN：

774092

EC Number：

205-917-1

HScode：

29029090

Characteristics

PSA：

XLogP3：

3.93

Appearance：

Acenaphthylene is a colorless crystalline solid. Insoluble in water. Used in dye synthesis, insecticides, fungicides, and in the manufacture of plastics.

Density：

0.8988 g/cm³ @ Temp: 16 °C

Melting Point：

92-93 °C

Boiling Point：

265-275 °C

Flash Point：

122°C

Refractive Index：

1.732

Water Solubility：

Very soluble in ethanol, ether, benzene; slightly soluble in chloroform

Storage Conditions：

APPROX 4°C

Vapor Pressure：

6.68 at 25 °C (gas saturation-HPLC/UV spectrophotometry, Sonnefeld et al., 1983)

Toxicity：

Celiac-rat LD50: 1700mg/kg

Flammability characteristics：

Flammable; decomposes by heating to release irritating smoke

Safety Information

Transport codes：

UN11453/PG2

wgk germany：

hazard class code：

22-36/37/38-67-65-50/53-38-11-39/23/24/25-23/24/25-20

safety instructions：

26-36/37/39-62-61-60-45-36/37-16-7-37/39-33-25-9

RTECS Number：

AB1254000

Marks：

Xn,N,F,T,Xi

Storage features：

Warehouse ventilated, low temperature and dry

Stability/Shelf Life：

Stable. Incompatible with oxidizing agents.

Precautionary statement(s)：

P280-P301 + P312 + P330-P305 + P351 + P338-P337 + P313

Hazard Statements：

H302-H315-H319-H335

Toxicity

Toxicity class：

moderately

Acenaphthylene Use and Manufacturing

Methods of Manufacturing

Derived from acenaphthene by gas-phase catalytic dehydrogenation: put the industrial acenaphthene into the melting kettle and heat it with indirect steam to melt it all. Pressurized liquid acenaphthene is pressed into the spiral gasification mixer, heated and vaporized with steam, the direct steam and acenaphthene steam are mixed into the superheating furnace, superheated to 450±20℃, enter the dehydrogenation reactor, after catalytic dehydrogenation reaction, then Crude acenaphthylene was obtained by condensation and drying. Dissolve crude acenaphthene with ethanol, remove carbonized materials and mechanical impurities, and cool, crystallize, and dry to obtain the finished product. The catalysts used are zinc oxide (85%), calcium oxide (5%), potassium sulfate (5%), potassium chromate (3%), and potassium hydroxide (2%).

Uses

Acenaphthylene is a raw material for organic synthesis, used in electrical insulating materials, ion exchange resins, dyes, etc. When the purity of commercially available products is 95%, the melting point is 88-91°C, and the relative density at the melting point is 0.899. The raw material for the production of 1,8-naphthalenedicarboxylic acid anhydride, used in the production of dyes, can be used to produce acenaphthylene resin after dehydrogenation, can produce plant growth hormones, insecticides, etc.; used as organic synthesis raw materials. Such as system nitroacenaphthylene, naphthalene dicarboxylic anhydride, acenaphthylene quinone and so on. Synthetic dyes such as Shihlin scarlet, fluorescent brighteners, pesticides, antioxidants and plant growth hormones.

Computed Properties

Molecular Weight:152.19
XLogP3:3.7
Exact Mass:152.062600255
Monoisotopic Mass:152.062600255
Heavy Atom Count:12
Complexity:184
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Potassium sulfate

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CAS No.: 208-96-8

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Trader Supplier of 13-Dimethyladamantane,1-Bromo-35-dimethyladamantane,perhydroacenaphthylene,4-[1,1-bis(4-hydroxyphenyl)ethyl]phenol,CYCLOBUTANE-1,2-DICARBOXYLIC ACID DIMETHYL ESTER, TRANS

Acenaphthylene 208-96-8

CAS No.: 208-96-8

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Cas no. 208-96-8 ACENAPHTHYLENE used for the preparation of dyes, plant growth hormone, insecticidal fungicides, etc

CAS No.: 208-96-8

Grade: Chemical Grade

Content: 99%

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Electron Grade（metal ion≤100ppb ）99% Purity ACENAPHTHYLENE

CAS No.: 208-96-8

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Guide of Acenaphthylene

Description
Basic Attributes
Characteristics
Safety Information
Toxicity
Use and Manufacturing
Computed Properties
Material
Recommended Suppliers
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Acenaphthylene

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