I2399
咪唑
ACS reagent grade, ≥99% (titration)
别名:
1,3-二氮杂-2,4-环戊二烯, 甘恶啉
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关于此项目
线性分子式:
C3H4N2
化学文摘社编号:
分子量:
68.08
NACRES:
NA.21
PubChem Substance ID:
eCl@ss:
39161001
UNSPSC Code:
12352005
EC Number:
206-019-2
MDL number:
Beilstein/REAXYS Number:
103853
Assay:
≥99% (titration)
产品名称
咪唑, ACS reagent, ≥99% (titration)
grade
ACS reagent
Quality Segment
vapor pressure
<1 mmHg ( 20 °C)
assay
≥99% (titration)
impurities
≤0.2% water
ign. residue
≤0.1%
pH
9.5-11.0 (25 °C, 5% in H2O)
pKa (25 °C)
6.95
bp
256 °C (lit.)
mp
88-91 °C (lit.)
cation traces
Fe: ≤0.001%
SMILES string
c1c[nH]cn1
InChI
1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)
InChI key
RAXXELZNTBOGNW-UHFFFAOYSA-N
Application
特别适用于 pH 6.2-7.8 范围内的缓冲液
Other Notes
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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警示词
Danger
危险代码
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1C
存储类别
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
闪点 (F)
293.0 °F - closed cup
闪点 (°C)
145 °C - closed cup
PPE（个人防护设备）
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges