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2-methyl-1,3-benzoselenazole

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Origin: China

Cas No: 2818-88-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 2818-88-4 Formula: C8H7NSe Molecular Weight: 196.10800

Basic Info

Chemical Name	2-methyl-1,3-benzoselenazole
Synonyms	EINECS 220-577-4; 2-methylbenzo-1,3-selenazole; 2-Methyl-benzoselenicazole; 2-Methylbenzoselenazol; 2-Methylbenzselenazol [Czech]; methyl-2 benzoselenazole; 2-Methylbenzselenazole; BENZOSELENAZOLE,2-METHYL; 2-Methylbenzoselenazole;
CAS No.	2818-88-4
Molecular Formula	C8H7NSe
Molecular Weight	196.10800
PSA	12.89000
LogP	1.60020

Properties

Appearance & Physical State	Yellow solid.
Boiling Point	140ºC (51 mmHg)
Melting Point	28-30ºC
Flash Point	>230 °F
Refractive Index	n20/D 1.652(lit.)
Storage Condition	Store in a cool, dry place. Store in a tightly closed container.
Vapor Pressure	0.0901mmHg at 25°C

Safety Info

RTECS	DK7700000
Hazard Class	6.1(b)
Safety Statements	20/21-28-45-60-61-28A
HS Code	2927000090
Packing Group	III
WGK Germany	3
RIDADR	UN 3077 9/PG 3
Risk Statements	R23/25; R33; R50/53
Hazard Codes	T; N

Synthesis Route

1-methylselanyl-2-nitrobenzene→2-methyl-1,3-benzoselenazole
2-methylselanylaniline→2-methyl-1,3-benzoselenazole
zinc salt of o-aminophenylselenide+acetyl chloride→2-methyl-1,3-benzoselenazole

Precursor

acetyl chloride
zinc salt of o-aminophenylselenide
N-(2-methylselanylphenyl)acetamide
1-methylselanyl-2-nitrobenzene

Downstream Product

3-ethyl-2-methyl-1,3-benzoselenazol-3-ium,4-methylbenzenesulfonate
3-ethyl-2-methyl-1,3-benzoselenazol-3-ium,iodide
1-(1,3-benzoselenazol-2-yl)propan-2-one
tetramethyl 9,10-dihydroazepino[2,1-b][1,3]benzoselenazole-7,8,9,10-tetracarboxylate

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