Benzo[d]isoxazol-3-ol

Modify Date: 2025-08-26 12:38:52

Benzo[d]isoxazol-3-ol structure	Common Name	Benzo[d]isoxazol-3-ol
	CAS Number	21725-69-9	Molecular Weight	135.120
	Density	1.4±0.1 g/cm3	Boiling Point	299.9±13.0 °C at 760 mmHg
	Molecular Formula	C₇H₅NO₂	Melting Point	140-142ºC
	MSDS	N/A	Flash Point	135.2±19.8 °C

Name	1,2-benzoxazol-3-one
Synonym	More Synonyms

Density	1.4±0.1 g/cm3
Boiling Point	299.9±13.0 °C at 760 mmHg
Melting Point	140-142ºC
Molecular Formula	C₇H₅NO₂
Molecular Weight	135.120
Flash Point	135.2±19.8 °C
Exact Mass	135.032028
PSA	46.26000
LogP	0.89
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.664
InChIKey	QLDQYRDCPNBPII-UHFFFAOYSA-N
SMILES	O=c1[nH]oc2ccccc12

Benzo[d]isoxazol-3-ol MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DE4933500

CHEMICAL NAME :: 1,2-Benzisoxazol-3(2H)-one

CAS REGISTRY NUMBER :: 21725-69-9

LAST UPDATED :: 198702

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C7-H5-N-O2

MOLECULAR WEIGHT :: 135.13

WISWESSER LINE NOTATION :: T56 BOMVJ

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 :: 2650 mg/kg

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

REFERENCE :: PLRCAT Pharmacological Research Communications. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1969- Volume(issue)/page/year: 3,385,1971

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3100 mg/kg

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

REFERENCE :: PLRCAT Pharmacological Research Communications. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1969- Volume(issue)/page/year: 3,385,1971

Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	26-36/37/39
RTECS	DE4933500
HS Code	2934999090

Precursor 5
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CAS#:5538-51-2 Acetylsalicyloy...
DownStream 10
CAS#:26384-70-3 2-prop-2-enyl-1... CAS#:87691-89-2 3-PIPERAZIN-1-Y... CAS#:128520-86-5 3-Chloro-7-meth... CAS#:36238-80-9 5-Nitro-1,2-ben...
CAS#:24603-63-2 5-CHLOROBENZO[D... CAS#:16263-52-8 3-Chloro-1,2-be... CAS#:73498-28-9 5-AMINOBENZO[D]... CAS#:776-70-5 9-dimethylamino...
CAS#:65685-50-9 5-Bromobenzo[d]... CAS#:66570-86-3 3-benzyloxy-ben...

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

3-Hydroxybenzisoxazole

1,2-Benzisoxazol-3(2H)-one

3-Hydroxy-1,2-benzisoxazole

1,2-benzisoxazol-3-ol

1,2-Benzisoxazol-3-ol 1,2-Benzisoxazolin-3-one 3-Hydroxy-1,2-benzisoxazole Benzo[d]isoxazol-3-ol

Benzo[d]isoxazol-3-ol

1,2-benzoxazol-3-ol

1,2-Benzoxazol-3(2H)-one

MFCD00125030

1,2-Benzisoxazolin-3-one

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Benzo[d]isoxazol-3-ol
Price: Check
Purity: 97.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Benzo[d]isoxazol-3-ol
Price: ￥468.0/1g
Purity: 95.0%
Delivery: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Benzo[d]isoxazol-3-ol
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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