Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,8-Naphthalic anhydride
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Purity: 98.0%
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: 1,8-Naphthalic anhydride 81-84-5
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

81-84-5

81-84-5 structure

81-84-5 structure

Name: 1,8-Naphthalic anhydride
Chemical Name: naphthalic anhydride
CAS Number: 81-84-5
Molecular Formula: C₁₂H₆O₃
Molecular Weight: 198.174
Catalog: Organic raw materials Carboxylic compounds and derivatives Halogenation, sulfonation, nitration or nitration of carboxylic anhydrides
Create Date: 2018-06-21 08:02:25
Modify Date: 2026-07-02 11:26:12

Name	naphthalic anhydride
Synonyms	Naphthaline-1,8-dicbonic acid anhydride 1.8-Anhydride Naphthalene(1.8 Naphthalic Anhydride) 3-oxatricyclo[7.3.1.0,13]trideca-1,5,7,9,11-pentaene-2,4-dione naphthalene-1,8-dicarboxylic acid anhydride 1H,3H-Naphtho[1,8-cd]pyran-1,3-dione EINECS 201-380-2 1,8-NaphthaL 1,8-Naphthalic anhydride, Naphtho[1,8,8a-c,d]pyran-1,3-dione 1,8-dinaphthoic anhydride 1,8-Naphthalic anhyd 1H,3H-naphtho [1,8-cd]pyran-1,3-dione benzo[de]isochroman-1,3-dione 1,8-naphthalic anhydride Naphthalic acid anhydride ai3-09071 1,8-Naphthalic 1,8-Napthalic anhydride 1,8-Naphthalic anhydride -5 Naphthalic anhydrid 1,8-NAPHTHALIC ANHYDRIDE 1,8-Naphthalic anhydride ISO 9001：2015 REACH 1,8-Naphthoic anhydride Naphthalenedicboxylic-1,8-anhydride 1H,3H-Naphtho(1,8-cd)pyran-1,3-dione (9CI) protect(agrochemical) pakli 1H,3H-Benzo[de]isochromene-1,3-dione 1,8-naphthalene dicarboxylic anhydride Naphthalicanhydride(form1) 1H, 3H-NAPHTHO(1,8-CD)-PYRAN-1,3-DIONE Naphtho[1,8,8a-c,d]pyran-1,3-dione,1H,3H-Benzo[de]isochromene-1,3-dione naphthalic 1,8-naphthalenediocanhydride 1,8-Naphthalic anhydride, R PROTECT(R) 1,8-Dinaphthalene dicboxylic acid anhydride Naphtho[1,8,8a-c,d]pyran-1,3-dione 1,8-Naphthalenedicboxylic Anhydride 1H,3H-Naphtho[1,8-cd]pyran-1,3-dione 1,8-Naphthalene Anhydride 1,8-Naphthalenedicarboxylic acid anhydride pakarli naphthalicacidanhydride 1,8-naphthallic anhydried 1H,3H-BENZO[DE]ISOCHROMENE-1,3-DIONE naphthalenedicboxylicanhydride Protect Protect (aochemical) Naphthalene-1,8-dicboxylic anhydride protect(aochemical) 1,8-naphthalene dicboxylic anhydride (NA) 1,8-NAPHTHALIC ACID ANHYDRIDE 1,8-NAPHTHALENEDICBOXYLIC ANHYDRIDE NAPHTHALENE-1,8-DICBOXYLIC ACID ANHYDRIDE MFCD00006925 NaphthalicAnhidride 1,8-Naphthalicanhydride NAPHTHALIC ANHYDRIDE 1,8-NaphthalicAnhydride> Naphthalic anh Benzo[de]isochromene-1,3-dione 1,8-NAPHTHALENEDICBOXYLIC ACID ANHYDRIDE Two1,8-naphthaleneanhydride naphthalene-1,8-dicarboxylic anhydride NAPHTHO[1,8,8A-C,D]PYRAN-1,3-DIONE 1,8 Naphthaloic Anhydride

Density	1.5±0.1 g/cm3
Boiling Point	407.5±14.0 °C at 760 mmHg
Melting Point	269 °C
Molecular Formula	C₁₂H₆O₃
Molecular Weight	198.174
Flash Point	206.8±17.3 °C
Exact Mass	198.031693
PSA	43.37000
LogP	1.75
Vapour Pressure	0.0±1.0 mmHg at 25°C
Index of Refraction	1.712
Water Solubility	decomposes

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QK5350000

CHEMICAL NAME :: 1,8-Naphthalic anhydride

CAS REGISTRY NUMBER :: 81-84-5

BEILSTEIN REFERENCE NO. :: 0153190

LAST UPDATED :: 199710

DATA ITEMS CITED :: 11

MOLECULAR FORMULA :: C12-H6-O3

MOLECULAR WEIGHT :: 198.18

WISWESSER LINE NOTATION :: T666 1A M CVOVJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 12340 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C253,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 200 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533580

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1600 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533580

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 400 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533580

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >2025 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 8,590,1987

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - quail

DOSE/DURATION :: 4100 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 8,590,1987

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - duck

DOSE/DURATION :: >6810 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 8,590,1987 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 2 mg/m3;Skin JAN 1993

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S37/39-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	2
RTECS	QK5350000
Hazard Class	4.1
HS Code	29173980

Precursor 10
83-32-9 82-86-0 1730-04-7 201230-82-2
6638-79-5 4747-15-3 70312-09-3 75-64-9
109-53-5 103457-73-4
DownStream 10
5450-40-8 52821-19-9 15220-29-8 5504-69-8
51411-04-2 202805-07-0 2026-08-6 518-86-5
50585-29-0 20494-84-2

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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