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1,8-Naphthalic anhydride

1,8-Naphthalic anhydride Structure
CAS No.
81-84-5
Chemical Name:
1,8-Naphthalic anhydride
Synonyms
NAPHTHALIC ANHYDRIDE;Benzo[de]isochromene-1,3-dione;1H,3H-BENZO[DE]ISOCHROMENE-1,3-DIONE;1,8-Napthalic anhydride;Naphthalene-1,8-dicarboxylic anhydride;Protect;1,8-Naphthalic;1,8 Naphthaloic Anhydride;Naphthalic acid anhydride;1,8-NAPHTHALENEDICARBOXYLIC ANHYDRIDE
CBNumber:
CB7854433
Molecular Formula:
C12H6O3
Molecular Weight:
198.17
MOL File:
81-84-5.mol
MSDS File:
SDS
Modify Date:
2024/8/12 17:17:06

1,8-Naphthalic anhydride Properties

Melting point 269 °C
Boiling point 295.48°C (rough estimate)
Density 1.2571 (rough estimate)
vapor pressure 0Pa at 25℃
refractive index 1.5550 (estimate)
Flash point 272 °C
storage temp. Store below +30°C.
solubility Chloroform (Slightly, Heated), DMSO
form Powder
color Beige to light brown
Water Solubility decomposes
Sensitive Moisture Sensitive
BRN 153190
LogP 3.24
Surface tension 72.5mN/m at 1.3mg/L and 20℃
CAS DataBase Reference 81-84-5(CAS DataBase Reference)
NIST Chemistry Reference 1,8-Naphthalic anhydride(81-84-5)
EPA Substance Registry System 1,8-Naphthalic anhydride (81-84-5)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-37/39-24/25
WGK Germany  2
RTECS  QK5350000
21
TSCA  Yes
HS Code  29173980
NFPA 704
1
1 0

1,8-Naphthalic anhydride price More Price(4)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) N1607 1,8-Naphthalic anhydride 81-84-5 100G ₹2240.78 2022-06-14 Buy
Sigma-Aldrich(India) N1607 1,8-Naphthalic anhydride 81-84-5 500G ₹9439.4 2022-06-14 Buy
TCI Chemicals (India) N0022 1,8-Naphthalic Anhydride 81-84-5 25G ₹2300 2022-05-26 Buy
TCI Chemicals (India) N0022 1,8-Naphthalic Anhydride 81-84-5 250G ₹3900 2022-05-26 Buy
Product number Packaging Price Buy
N1607 100G ₹2240.78 Buy
N1607 500G ₹9439.4 Buy
N0022 25G ₹2300 Buy
N0022 250G ₹3900 Buy

1,8-Naphthalic anhydride Chemical Properties,Uses,Production

Chemical Properties

BEIGE TO LIGHT BROWN POWDER

Uses

1,8-Naphthalic anhydride is used as a seed protectant and to prepare dyestuffs and optical brighteners. It is used in the preparation of napthalimide analogues, which finds application as anticancer agents. Further, it is used as fluorescent brightening agent for polymeric materials.

Purification Methods

Extract it with cold aqueous Na2CO3 to remove free acid, then crystallise from acetic anhydride. [Beilstein 17 III/IV 6392, 17/11 V 492.]

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Two1,8-naphthaleneanhydride Naphthalic anh ai3-09071 Naphthalenedicarboxylic-1,8-anhydride naphthalenedicarboxylicanhydride naphthalic naphthalicacidanhydride Naphthalicanhydride(form1) pakarli Protect (agrochemical) protect(agrochemical) 1,8-naphthalenediocanhydride 1,8-Naphthoic anhydride Naphtho[1,8,8a-c,d]pyran-1,3-dione 1,8-Naphthalenedicarboxylic Anhydride 1H,3H-Naphtho[1,8-cd]pyran-1,3-dione 1,8-Naphthalenedicarboxylic anhydride for synthesis 1,8-NAPHTHALENEDICARBOXYLIC ACID ANHYDRIDE 1,8-NAPHTHALIC ACID ANHYDRIDE 1,8-NAPHTHALIC ANHYDRIDE 1H, 3H-NAPHTHO(1,8-CD)-PYRAN-1,3-DIONE NAPHTHALENE-1,8-DICARBOXYLIC ACID ANHYDRIDE NAPHTHO[1,8,8A-C,D]PYRAN-1,3-DIONE PROTECT(R) 1,8-naphthallic anhydried benzo[de]isochroman-1,3-dione NaphthalicAnhidride>99% 1,8-Naphthalicanhydride,98% 1,8-Dinaphthalene dicarboxylic acid anhydride 1,8-Naphthalic anhydride, Naphtho[1,8,8a-c,d]pyran-1,3-dione Naphthaline-1,8-dicarbonic acid anhydride 1,8-Naphthalic anhydride,97% 1,8-Naphthalic anhyd 1,8-Naphthalic anhydride, 97% 100GR 1,8-Naphthalic anhydride, 97% 500GR Naphthalic anhydrid Naphtho[1,8,8a-c,d]pyran-1,3-dione,1H,3H-Benzo[de]isochromene-1,3-dione 1,8-Naphthalic anhydride 98% 1.8-Anhydride Naphthalene(1.8 Naphthalic Anhydride) 1,8-NaphthaL 1,8-NaphthalicAnhydride> 1,8-Naphthalic Anhydride,99% 1,8-Naphthalic anhydride ISO 9001:2015 REACH 1,8-Naphthalic anhydride 81-84-5 3-oxatricyclo[7.3.1.0,13]trideca-1(13),5,7,9,11-pentaene-2,4-dione 1,8 Naphthaloic Anhydride Benzo[de]isochromene-1,3-dione Naphthalic acid anhydride Protect 1,8-Napthalic anhydride 1,8-NAPHTHALENEDICARBOXYLIC ANHYDRIDE 1H,3H-BENZO[DE]ISOCHROMENE-1,3-DIONE Naphthalene-1,8-dicarboxylic anhydride NAPHTHALIC ANHYDRIDE 1,8-Naphthalic 1,8-naphthalene dicarboxylic anhydride (NA) 1,8-Naphthalic Anhydride, ≥ 98.0% 81-84-5 C12H6O3 C10H6CO2O