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Zinc picolinate structure
Zinc picolinate structure

Zinc picolinate

Iupac Name:zinc;pyridine-2-carboxylate
CAS No.:17949-65-4
Molecular Weight:309.586
1. Names and Identifiers
1.1 Name
Zinc picolinate
1.2 Synonyms

(T-4)-Bis(2-pyridinecarboxylato-κN1,κO2)zinc 2-Pyridinecarboxylic acid, zinc complex Bis(picolinato)zinc Picolinic acid zinc PICOLINIC ACID ZINC SALT Picolinic acid, zinc complex zinc 2-pyridinecarboxylate Zinc Picolinate, 200-400 Mesh, Powder Zinc, bis(2-pyridinecarboxylato-.kappa.N1,.kappa.O2)-, (T-4)- Zinc, bis(2-pyridinecarboxylato-N1,O2)-, (T-4)- Zinc, bis(2-pyridinecarboxylato-κN1,κO2)-, (T-4)- Zinc, bis(picolinato)- zinc,pyridine-2-carboxylate ZINCPICOLINATE,POWDER

1.3 CAS No.
1.4 CID
1.6 Molecular Formula
C12H8N2O4Zn (isomer)
1.7 Inchi
1.8 InChkey
1.9 Canonical Smiles
1.10 Isomers Smiles
2. Properties
3.1 Melting point
222-225 °C (decomp)
3.1 Boiling point
292.5 °C at 760 mmHg
3.1 Flash Point
130.7 °C
3.1 Vapour pressure
0.000836mmHg at 25°C
3.1 Precise Quality
3.1 PSA
3.1 logP
3.1 Appearance
white powder
3.2 Chemical Properties
White powder Zinc picolinateSupplier
3.3 StorageTemp
Store at RT.
3. Use and Manufacturing
4.1 GHS Classification
Signal: Warning
GHS Hazard Statements
The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.

H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
H400 (100%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
H410 (100%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

Precautionary Statement Codes
P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P391, P403+P233, P405, and P501

2.Hazard identification

2.1 Classification of the substance or mixture

Acute toxicity - Oral, Category 4

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity \u2013 single exposure, Category 3

Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1

2.2 GHS label elements, including precautionary statements

Signal word


Hazard statement(s)

H302 Harmful if swallowed

H315 Causes skin irritation

H319 Causes serious eye irritation

H335 May cause respiratory irritation

H410 Very toxic to aquatic life with long lasting effects

Precautionary statement(s)

P264 Wash ... thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P271 Use only outdoors or in a well-ventilated area.

P273 Avoid release to the environment.


P301+P312 IF SWALLOWED: Call a POISON CENTER/doctor/\u2026if you feel unwell.

P330 Rinse mouth.

P302+P352 IF ON SKIN: Wash with plenty of water/...

P321 Specific treatment (see ... on this label).

P332+P313 If skin irritation occurs: Get medical advice/attention.

P362+P364 Take off contaminated clothing and wash it before reuse.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P337+P313 If eye irritation persists: Get medical advice/attention.

P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P312 Call a POISON CENTER/doctor/\u2026if you feel unwell.

P391 Collect spillage.


P403+P233 Store in a well-ventilated place. Keep container tightly closed.

P405 Store locked up.


P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification


5. Other Information
5.0 Chemical Properties
White powder
6. Computational chemical data
  • Molecular Weight:309.586g/mol
  • Molecular Formula:C12H8N2O4Zn
  • Compound Is Canonicalized:True
  • XLogP3-AA:
  • Exact Mass:307.977549
  • Monoisotopic Mass:307.977549
  • Complexity:108
  • Rotatable Bond Count:0
  • Hydrogen Bond Donor Count:0
  • Hydrogen Bond Acceptor Count:6
  • Topological Polar Surface Area:106
  • Heavy Atom Count:19
  • Defined Atom Stereocenter Count:0
  • Undefined Atom Stereocenter Count:0
  • Defined Bond Stereocenter Count:0
  • Undefined Bond Stereocenter Count:0
  • Isotope Atom Count:0
  • Covalently-Bonded Unit Count:3
7. Question & Answer
  • I'm going to be using a finings agent with a positive charge to remove negative trub from a solution (beer). I would like to keep some chelated zinc in the solution - ideally zinc picolinate - so wondering what its charge is? I'm hoping it's neutral... Depending on the answer, are there any zinc ch...
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