41019
Melting point standard 235-237°C
analytical standard
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All Photos(2)
Synonym(s):
Caffeine, 1,3,7-Trimethylxanthine
Empirical Formula (Hill Notation):
C8H10N4O2
CAS Number:
Molecular Weight:
194.19
Beilstein:
17705
EC Number:
MDL number:
UNSPSC Code:
12352210
PubChem Substance ID:
NACRES:
NA.24
Recommended Products
grade
analytical standard
Quality Level
shelf life
limited shelf life, expiry date on the label
mp
234-236.5 °C (lit.)
235-237 °C (±0.3°C)
application(s)
food and beverages
pharmaceutical
format
neat
SMILES string
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
InChI key
RYYVLZVUVIJVGH-UHFFFAOYSA-N
Gene Information
human ... ADORA1(134) , ADORA2A(135) , ADORA2B(136) , ADORA3(140)
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General description
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.
Features and Benefits
- 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
Recommended products
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.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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