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Naphthalenetetracarboxylic dianhydride

Naphthalenetetracarboxylic dianhydride structure

CAS No:
81-30-1
Formula:
C14H4O6
Chemical Name:
Naphthalenetetracarboxylic dianhydride
Synonyms:
[2]Benzopyrano[6,5,4-def][2]benzopyran-1,3,6,8-tetrone;1,4,5,8-Naphthalenetetracarboxylic 1,8:4,5-dianhydride;Naphthalenetetracarboxylic dianhydride;2,7-Dioxapyrene-1,3,6,8-tetrone;1,4,5,8-Naphthalenetetracarboxylic acid dianhydride;1,8:4,5-Naphthalenetetracarboxylic dianhydride;1,4,5,8-Naphthalenetetracarboxylic dianhydride;NTCDA;Naphthalic 1,8:4,5-dianhydride;NSC 84241;Naphthalenetetracarboxylic anhydride;1,4,5,8-Tetracarboxynaphthalene dianhydride;1,4,5,8-Naphthalenetetracarboxylic acid-1,8:4,5-dianhydride;Naphthalene-4,5,8,9-tetracarboxylic dianhydride;1,4,5,8-Naphthalic dianhydride;4052-78-2;1185756-13-1;2221028-26-6
Categories:
Chemical Reagents > Organic Reagents

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Description

Light brown solid

Naphthalenetetracarboxylic dianhydride Basic Attributes

Molecular Weight：

268.18

Exact Mass：

268.18

BRN：

272788

EC Number：

201-342-5

UNII：

L56XQD1V6Y

NSC Number：

84241

DSSTox ID：

DTXSID4052554

HScode：

29173990

Characteristics

PSA：

86.7

XLogP3：

1.9

Density：

1.8±0.1 g/cm3

Melting Point：

450 °C

Boiling Point：

617°C at 760 mmHg

Flash Point：

280.4±26.8 °C

Refractive Index：

1.782

Toxicity：

LD50 oral in rat: 7400mg/kg

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

36/37/38

safety instructions：

26-36

RTECS Number：

QK3695000

Marks：

Precautionary statement(s)：

P261-P305 + P351 + P338

Hazard Statements：

H315-H319-H335

GHS Classification：

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 46 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

1,4,5,8-naphthalenetetracarboxylic 1,8:4,5 dianhydride

Naphthalenetetracarboxylic dianhydride Use and Manufacturing

Methods of Manufacturing

Into a 1000 mL three-neck flask were added 100.0 g of a composition containing 1, 4, 5, 8-naphthalenetetracarboxylic acid and 1, 4, 5, 8-naphthalenetetracarboxylic acid monoanhydride with a mass ratio of 86:14 and the solvent made up of 200 mL of N, N-dimethylacetamide and 400 mL of toluene at room temperature in a nitrogen flow. After being heated up to 111° C., the materials in the flask were subjected to a reaction with stirring at that temperature for 2 hours. The flask was cooled to 10° C., and the sample was stirred for 1 hour and then filtered to yield 73 g of 1, 4, 5, 8-naphthalenetetracarboxylic acid dianhydride.

Manufacturing Info：

[2]Benzopyrano[6,5,4-def][2]benzopyran-1,3,6,8-tetrone: ACTIVE

Computed Properties

Molecular Weight:268.18
XLogP3:1.9
Hydrogen Bond Acceptor Count:6
Exact Mass:268.00078784
Monoisotopic Mass:268.00078784
Topological Polar Surface Area:86.7
Heavy Atom Count:20
Complexity:446
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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Guide of Naphthalenetetracarboxylic dianhydride

Description
Basic Attributes
Characteristics
Safety Information
Drug Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
Latest News
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Naphthalenetetracarboxylic dianhydride

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