If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf
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About This Item
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蒸汽压
<1 mmHg ( 20 °C)
质量水平
产品线
BioUltra
方案
≥99.5% (GC)
表单
powder or crystals
杂质
insoluble matter, passes filter test
≤0.2% water
灼烧残渣 (900 °C)
≤0.05%
pH值（酸碱度）
9.5-11.0 (25 °C, 0.1 M in H2O)
pKa (25 °C)
6.95
沸点
256 °C (lit.)
mp
88-91 °C (lit.)
溶解性
H2O: 0.1 M at 20 °C, clear, colorless
痕量阴离子
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg
痕量阳离子
Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg
λ
0.1 M in H2O
紫外吸收
λ: 260 nm Amax: 0.10
λ: 280 nm Amax: 0.10
SMILES字符串
c1c[nH]cn1
InChI
1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)
InChI key
RAXXELZNTBOGNW-UHFFFAOYSA-N
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应用
警示用语：
Danger
危险声明
危险分类
Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1C
储存分类代码
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 2
闪点(°F)
293.0 °F - closed cup
闪点(°C)
145 °C - closed cup
个人防护装备
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
其他客户在看
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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