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41019

Supelco

Schmelzpunktstandard 235-237°C

analytical standard

Synonyme(s) :

Caféine, 1,3,7-triméthylxanthine

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About This Item

Formule empirique (notation de Hill):
C8H10N4O2
Numéro CAS:
58-08-2
Poids moléculaire :
194.19
Numéro Beilstein :
17705
Numéro CE :
200-362-1
Numéro MDL:
MFCD00005758
Code UNSPSC :
12352210
ID de substance PubChem :
329756046
Nomenclature NACRES :
NA.24

Qualité

analytical standard

Niveau de qualité

100

Durée de conservation

limited shelf life, expiry date on the label

Pf

234-236.5 °C (lit.)
235-237 °C (±0.3°C)

Application(s)

food and beverages
pharmaceutical

Format

neat

Chaîne 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

Clé InChI

RYYVLZVUVIJVGH-UHFFFAOYSA-N

Informations sur le gène

human ... ADORA1(134) , ADORA2A(135) , ADORA2B(136) , ADORA3(140)

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Catégories apparentées

Description générale

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.

Application

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

Caractéristiques et avantages

  • 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

Produits recommandés

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H302

Classification des risques

Acute Tox. 4 Oral

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

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