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31653

Sigma-Aldrich

Zinc

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.9%, granular

Synonym(s):

Zn

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About This Item

Empirical Formula (Hill Notation):
Zn
CAS Number:
7440-66-6
Molecular Weight:
65.39
EC Number:
231-175-3
MDL number:
MFCD00011291
UNSPSC Code:
12161600
PubChem Substance ID:
57648595
NACRES:
NA.22
Pricing and availability is not currently available.

grade

ACS reagent
puriss. p.a.

Quality Level

200

Agency

USP/NF
reag. ISO
reag. Ph. Eur.

vapor pressure

1 mmHg ( 487 °C)

Assay

≥99.9%

form

granular

reaction suitability

core: zinc
reagent type: catalyst

resistivity

5.8 μΩ-cm, 20°C

bp

907 °C (lit.)

mp

420 °C (lit.)

density

7.133 g/mL at 25 °C (lit.)

cation traces

As: ≤0.1 mg/kg
Cd: ≤5 mg/kg
Cu: ≤10 mg/kg
Fe: ≤20 mg/kg
Pb: ≤50 mg/kg
Sn: ≤10 mg/kg

SMILES string

[Zn]

InChI

1S/Zn

InChI key

HCHKCACWOHOZIP-UHFFFAOYSA-N

Related Categories

Application

Zinc can be used in the preparation of organozinc reagents[1][2], Reformatsky reagents[3][4], and the Simmons-Smith reagent.[5][6]

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBL4558
STBL3514
STBL1950
STBL1948
STBL1951

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Zinc

Use of activation methods for organozinc reagents.
Erdik E
Tetrahedron, 43(10), 2203-2212 (1987)
A scalable zinc activation procedure using dibal-h in a reformatsky reaction.
Girgis M J
Organic Process Research & Development, 13(6), 1094-1099 (2009)
A Convenient Procedure for the Preparation of Reactive Zinc for the Reformatsky Reaction.
Bouhel E
Synthetic Communications, 21(1), 133-136 (1991)
Highly efficient, general procedure for the preparation of alkylzinc reagents from unactivated alkyl bromides and chlorides.
Huo S
Organic Letters, 5(4), 423-425 (2003)
Cyclopropanes from an Easily Prepared, Highly Active Zinc?Copper Couple, Dibromomethane, and Olefins.
LeGoff E
The Journal of Organic Chemistry, 29(7), 2048-2050 (1964)
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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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