41019

Cafeína

analytical standard

• Sinônimo(s): 1,3,7-Trimetilxantina
• Fórmula empírica (Notação de Hill): C₈H₁₀N₄O₂
• Número CAS: 58-08-2
• Peso molecular: 194.19
• Beilstein: 17705
• Número CE: 200-362-1
• Número MDL: MFCD00005758
• Código UNSPSC: 12352210
• ID de substância PubChem: 329756046
• NACRES: NA.24

Propriedades

• grau: analytical standard
• Nível de qualidade: 100
• prazo de validade: limited shelf life, expiry date on the label
• pf: 234-236.5 °C (lit.); 235-237 °C (±0.3°C)
• aplicação(ões): food and beverages; pharmaceutical
• Formato: neat
• cadeia de caracteres SMILES: CN1C(=O)N(C)c2ncn(C)c2C1=O
• InChI: 1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3
• chave InChI: RYYVLZVUVIJVGH-UHFFFAOYSA-N
• Informações sobre genes: human ... ADORA1(134) , ADORA2A(135) , ADORA2B(136) , ADORA3(140)

Descrição

Descrição geral

Melting point standard 235-237 °C, caffeine is useful to calibrate melting point instruments, in the thermodynamic mode of measurement. The value of its melting point is determined with an average of 6 to 12 measurements using a Büchi B-545 instrument that is calibrated against primary standards.

Aplicação

Caffeine melting point standard 235-237 °C finds its use in the characterization of pure chemicals and pharmaceutical compounds.

Características e benefícios

• Melting point calibration standard traceable to primary standards (LGC, London)
• Grade: Analytical Standard
• Standard deviation up to ± 0.3 °C
• Provided with certificates of analysis and safety data sheet

Produtos recomendados

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Informações de segurança

• Pictogramas: GHS07
• Palavra indicadora: Warning
• Frases de perigo: H302
• Declarações de precaução: P264 - P270 - P301 + P312 - P501
• Classificações de perigo: Acute Tox. 4 Oral
• Código de classe de armazenamento: 11 - Combustible Solids
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable
• Equipamento de proteção individual: dust mask type N95 (US), Eyeshields, Faceshields, Gloves