- 33553M
33553-M
Pyridine
puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.5% (GC)
Recommended Products
grade
ACS reagent
puriss. p.a.
Quality Level
Agency
reag. Ph. Eur.
vapor density
2.72 (vs air)
vapor pressure
10 mmHg ( 13.2 °C)
20 mmHg ( 25 °C)
Assay
≥99.5% (GC)
form
liquid
autoignition temp.
899 °F
expl. lim.
12.4 %
impurities
≤0.0005% KMnO4 red. matter (as O)
≤0.002% ammonia (NH3)
≤0.002% non-volatile matter
≤0.01% piperidine (GC)
≤0.1% water (Karl Fischer)
≤0.2% 2-picoline (GC)
refractive index
n20/D 1.509 (lit.)
pH
8.5 (25 °C, 15.82 g/L)
bp
115 °C (lit.)
mp
−42 °C (lit.)
solubility
H2O: in accordance
density
0.978 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤5 mg/kg
cation traces
Al: ≤0.5 mg/kg
B: ≤0.02 mg/kg
Ba: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.03 mg/kg
Fe: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sn: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg
SMILES string
C1=CN=CC=C1
InChI
1S/C5H5N/c1-2-4-6-5-3-1/h1-5H
InChI key
JUJWROOIHBZHMG-UHFFFAOYSA-N
Looking for similar products? Visit Product Comparison Guide
Compare Similar Items
View Full Comparison1 of 4
This Item | 33553 | 360570 | P57506 |
|---|---|---|---|
| assay ≥99.5% (GC) | assay ≥99.5% (GC) | assay ≥99.0% | assay ≥99% |
| form liquid | form liquid | form liquid | form liquid |
| refractive index n20/D 1.509 (lit.) | refractive index n20/D 1.509 (lit.) | refractive index n20/D 1.509 (lit.) | refractive index n20/D 1.509 (lit.) |
| bp 115 °C (lit.) | bp 115 °C (lit.) | bp 115 °C (lit.) | bp 115 °C (lit.) |
| mp −42 °C (lit.) | mp −42 °C (lit.) | mp −42 °C (lit.) | mp −42 °C (lit.) |
| solubility H2O: in accordance | solubility H2O: in accordance | solubility water: soluble | solubility - |
General description
Application
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2
Storage Class Code
3 - Flammable liquids
WGK
WGK 2
Flash Point(F)
62.6 °F - closed cup
Flash Point(C)
17 °C - closed cup
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’.
Already Own This Product?
Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.
Difficulty Finding Your Product Or Lot/Batch Number?
How to Find the Product Number
Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).
Example:
Additional examples:
705578-5MG-PW
PL860-CGA/SHF-1EA
MMYOMAG-74K-13
1000309185
(enter as 1.000309185)
Having trouble? Feel free to contact Technical Service for assistance.
How to Find a Lot/Batch Number for COA
Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.
Aldrich Products
For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').
For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').
For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.
Not Finding What You Are Looking For?
In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service