3,4-Dibromo-1H-pyrazole

物化性质

密度：

2.419g/cm3

熔点：

135-136℃

沸点：

325.9ºC at 760 mmHg

闪点：

150.9ºC

折射率：

1.652

安全信息

密度：

2.419g/cm3

熔点：

135-136℃

沸点：

325.9ºC at 760 mmHg

闪点：

150.9ºC

折射率：

1.652

毒理性

CHEMICAL IDENTIFICATION

RTECS NUMBER :

UQ6460000

CHEMICAL NAME :

Pyrazole, 3,4-dibromo-

CAS REGISTRY NUMBER :

5932-18-3

BEILSTEIN REFERENCE NO. :

0002163

LAST UPDATED :

199806

DATA ITEMS CITED :

1

MOLECULAR FORMULA :

C3-H2-Br2-N2

MOLECULAR WEIGHT :

225.89

WISWESSER LINE NOTATION :

T5MNJ CE DE

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#05097

海关数据

中国海关编码：2933199090

概述：

2933199090. 其他结构上有非稠合吡唑环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

申报要素：

品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期

摘要/Summary：

2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%