Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,5-Dimethylbenzoxazole
Price: Check
Purity: 99.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2,5-Dimethylbenzoxazole
Price: ￥248.0/5g ￥88.0/1g
Purity: 97.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,5-Dimethylbenzoxazole
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

5676-58-4

5676-58-4 structure

5676-58-4 structure

Name: 2,5-Dimethylbenzoxazole
Chemical Name: 2,5-Dimethylbenzoxazole
CAS Number: 5676-58-4
Molecular Formula: C₉H₉NO
Molecular Weight: 147.17400
Create Date: 2018-08-19 19:02:16
Modify Date: 2025-08-25 18:39:35

Name	2,5-Dimethylbenzoxazole
Synonyms	2,5-dimethyl-1,3-benzoxazole EINECS 227-136-5 MFCD00005773

Density	1.09 g/mL at 25 °C(lit.)
Boiling Point	218-219 °C(lit.)
Molecular Formula	C₉H₉NO
Molecular Weight	147.17400
Flash Point	196 °F
Exact Mass	147.06800
PSA	26.03000
LogP	2.44460
Index of Refraction	n20/D 1.542(lit.)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DM4821600

CHEMICAL NAME :: Benzoxazole, 2,5-dimethyl-

CAS REGISTRY NUMBER :: 5676-58-4

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C9-H9-N-O

MOLECULAR WEIGHT :: 147.19

WISWESSER LINE NOTATION :: T56 BN DOJ C1 G1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 mg/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#03231

Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S23-S24/25-S37/39-S26
WGK Germany	3
RTECS	DM4821600
HS Code	2934999090

Precursor 9
1450-72-2 33598-02-6 25172-54-7 6375-17-3
78-39-7 95-84-1 122-51-0 1445-45-0
119-33-5
DownStream 3
6375-17-3 88172-91-2 42485-84-7

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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