5-Chloro-2-methylbenzo[d]oxazole

Modify Date: 2025-08-20 12:19:58

5-Chloro-2-methylbenzo[d]oxazole structure	Common Name	5-Chloro-2-methylbenzo[d]oxazole
	CAS Number	19219-99-9	Molecular Weight	167.592
	Density	1.3±0.1 g/cm3	Boiling Point	241.6±13.0 °C at 760 mmHg
	Molecular Formula	C₈H₆ClNO	Melting Point	55-57 °C(lit.)
	MSDS	N/A	Flash Point	99.9±19.8 °C

Name	5-chloro-2-methyl-1,3-benzoxazole
Synonym	More Synonyms

Density	1.3±0.1 g/cm3
Boiling Point	241.6±13.0 °C at 760 mmHg
Melting Point	55-57 °C(lit.)
Molecular Formula	C₈H₆ClNO
Molecular Weight	167.592
Flash Point	99.9±19.8 °C
Exact Mass	167.013794
PSA	26.03000
LogP	2.42
Vapour Pressure	0.1±0.5 mmHg at 25°C
Index of Refraction	1.608

5-Chloro-2-methylbenzo[d]oxazole MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DM4790000

CHEMICAL NAME :: Benzoxazole, 5-chloro-2-methyl-

CAS REGISTRY NUMBER :: 19219-99-9

BEILSTEIN REFERENCE NO. :: 0120800

LAST UPDATED :: 199701

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C8-H6-Cl-N-O

MOLECULAR WEIGHT :: 167.60

WISWESSER LINE NOTATION :: T56 BN DOJ C1 HG

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 :: >1 gm/kg

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

REFERENCE :: MDCHAG Medicinal Chemistry: A Series of Monographs. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1963- Volume(issue)/page/year: 4(1),339,1964

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >2 gm/kg

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

REFERENCE :: MDCHAG Medicinal Chemistry: A Series of Monographs. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1963- Volume(issue)/page/year: 4(1),337,1964

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1550 mg/kg

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

REFERENCE :: MDCHAG Medicinal Chemistry: A Series of Monographs. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1963- Volume(issue)/page/year: 4(1),337,1964

Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S27-S36/37/39-S45-S36/39
RIDADR	UN 1759 8/PG 2
WGK Germany	3
RTECS	DM4790000
Packaging Group	III
Hazard Class	8
HS Code	29349990

Precursor 9
CAS#:78-39-7 Triethyl orthoa... CAS#:95-85-2 2-Amino-4-chlor... CAS#:87974-51-4 4-chloro-6-[1-(... CAS#:26488-93-7 N-(5-chloro-2-h...
CAS#:28443-50-7 2-Amino-5-chlor... CAS#:144-55-8 SodiuM bicarbonate CAS#:1445-45-0 1,1,1-Trimethox... CAS#:89-64-5 2-nitro-4-chlor...
CAS#:108-24-7 Ethanoic anhydride
DownStream 7
CAS#:95-21-6 2-methylbenzoxazole CAS#:1351403-33-2 5-(sec-butoxy)-... CAS#:61931-68-8 2-Methyl-5-phen... CAS#:72745-76-7 2-METHYLBENZO[D...
CAS#:5676-57-3 5-Methoxy-2-met... CAS#:13452-16-9 5-Chloro-2-Meth... CAS#:88787-40-0 4-amino-2-chlor...

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

5-chloro-2-methyl-benzooxazole

5-Chloro-2-methylbenzoxazole

Benzoxazole, 5-chloro-2-methyl-

5-Chloro-2-methyl-1,3-benzoxazole

EINECS 242-888-4

BENZOXAZOLE,5-CHLORO-2-METHYL

5-Chloro-2-methylbenzo[d]oxazole

2-Methyl-5-chlorobenzoxazole

5-Chlor-2-methyl-benzoxazol

MFCD00022850

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-Chloro-2-methylbenzo[d]oxazole
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 5-Chloro-2-methylbenzo[d]oxazole
Price: ￥428.0/100g ￥158.0/25g
Purity: 97.0%
Delivery: Inquiry
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-Chloro-2-methylbenzoxazole
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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