Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 4H-3,1-Benzoxazine-2,4(1H)-dione
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Isatoic anhydride
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

118-48-9

118-48-9 structure

118-48-9 structure

Name: Isatoic anhydride
Chemical Name: 4H-3,1-Benzoxazine-2,4(1H)-dione
CAS Number: 118-48-9
Molecular Formula: C₈H₅NO₃
Molecular Weight: 163.130
Catalog: Biochemical Biochemical reagent Biological dye
Create Date: 2018-07-30 20:26:17
Modify Date: 2026-07-01 10:19:53

Name	4H-3,1-Benzoxazine-2,4(1H)-dione
Synonyms	IsatoicAnhydride> 2H-3,1-Benzoxazine-2,4(1H)-dione Anthranilic acid N-carboxylic acid anhydride Isatoic Ac 1H-3,1-benzoxazine-2,4-quinone 1H-Benz[d][1,3]oxazine-2,4-dione 1-Benzoxazine-2 Anthranilic acid, N-cboxy-, cyclic anhydride 3,1-Benzoxazine-2,4(1H)-dione TIMTEC-BB SBB003928 satoic Anhydride ANTHRANILIC ACID N-CBOXYLIC ACID ANHYDRIDE Benzoic acid, 2-(carboxyamino)-, cyclic anhydride BENZOXAZINEDIONE n-cboxyanthranilicanhydride 2H-3,1-benzoxazine-2,4(1H)-dio Isatoic anhydride, R Benzoic acid, 2-(cboxyamino)-, cyclic anhydride 4H-3 n-cboxy-anthranilicacicyclicanhydride Isatin anhydride 1,2-dihydro-4h-3,1-benzoxazine-2,4-dione 4(1H)-dione Isatoic anhydride (6CI) 1H-Benzo[d][1,3]oxazine-2,4-dione 1,4-Dihydro-2H-3,1-benzoxazine-2,4-dione LABOTEST-BB LT00053651 1,4-DIHYDRO-2H-3,1-BENZOXAZIN-2,4-DIONE 1H-3,1-Benzoxazine-2,4-dione Isatioc anhydride 1H-BENZO[D][1,3]OXAZINE-2,4-DIONE ISATOLC ANHYDRIDE Isatoic acid anhydride Isato acid anhydride T66 BMVOVJ 3,1-Benzoxazine-2,4(1H)-dione, Anthranilic acid N-cboxylic acid anhydride Benzoicacid,2-(cboxyamino)-,cyclicanhydride 2,4-Dioxo-1,2-dihydro-4H-3,1-benzoxazine 4H-3,1-Benzoxazin-2,4(1H)-dion Benzoxazinedione 1,2-Dihydro-3,1-benzoxazine-2,4-dione MFCD00006700 ISATOIC ANHYDRIDE Isatoic isatoicacidanhydride Isatoic anhydrate EINECS 204-255-0 H-3,1-Benzoxazine-2,4(1H)-dione N-cboxyanthranilic acid anhydride 2-(CboxyaMino)benzoic Acid Cyclic Anhydride 1H-3,1-benzoxazine-2,4-dione 4H-3,1-Benzoxazin-2,4-(1H)-dion Isatonicanhydride Isatosαureanhydrid N-CBOXYANTHRANILIC ACID CYCLIC ANHYDRIDE 2-(cboxyamino)-benzoicacicyclicanhydride 2H-3,1-BENZOXAZINE-2,4(1H)-DIONE Anthranilic acid, N-carboxy-, cyclic anhydride 3,1-BENZOXAZINE-2,4(1H)-DIONE N-Cboxyanthranilicanbydride

Density	1.4±0.1 g/cm3
Melting Point	233 °C (dec.)(lit.)
Molecular Formula	C₈H₅NO₃
Molecular Weight	163.130
Flash Point	308 °C
Exact Mass	163.026947
PSA	63.07000
LogP	0.90
Vapour density	5.6 (vs air)
Index of Refraction	1.586
Water Solubility	decomposes

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DM3100000

CHEMICAL NAME :: 2H-3,1-Benzoxazine-2,4(1H)-dione

CAS REGISTRY NUMBER :: 118-48-9

BEILSTEIN REFERENCE NO. :: 0136786

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C8-H5-N-O3

MOLECULAR WEIGHT :: 163.14

WISWESSER LINE NOTATION :: T66 BMVOVJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 34800 mg/kg

SEX/DURATION :: male 8 day(s) pre-mating female 21 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated)

REFERENCE :: MPHEAE Medicina et Pharmacologia Experimentalis. (Basel, Switzerland) V.12-17, 1965-67. For publisher information, see PHMGBN. Volume(issue)/page/year: 15,7,1966

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H317-H319
Precautionary Statements	P280-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36;R43
Safety Phrases	S24-S26-S37
RIDADR	NONH for all modes of transport
WGK Germany	1
RTECS	DM3100000
HS Code	2934999090

Precursor 9
32315-10-9 118-92-3 503-38-8 91-56-5
487-89-8 120-72-9 64784-13-0 88-97-1
124-38-9
DownStream 10
10268-69-6 106795-52-2 110552-32-4 107466-55-7
10494-82-3 1158178-15-4 105024-96-2 36192-63-9
35710-05-5 607-19-2

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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