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Merck

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S7653

氯化钠

BioXtra, ≥99.5% (AT)

同義詞:

一氯化钠, 氯化钠, NaCl, 岩盐

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線性公式:
NaCl
CAS 編號:
分子量::
58.44
UNSPSC Code:
12352302
NACRES:
NA.25
PubChem Substance ID:
EC Number:
231-598-3
Beilstein/REAXYS Number:
3534976
MDL number:
Assay:
≥99.5% (AT)
Form:
powder
Solubility:
H2O: 1 M, clear, colorless
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product line

BioXtra

Quality Segment

assay

≥99.5% (AT)

form

powder

technique(s)

immunoblotting: suitable, immunoprecipitation (IP): suitable

impurities

filtertest, complies, insoluble matter, complies

pH

5.0-8.0 (20 °C, 1 M in H2O)

mp

801 °C (lit.)

solubility

H2O: 1 M, clear, colorless

density

2.16 g/cm3 at 25 °C (77 °F)

anion traces

bromide (Br-): ≤0.01%, iodide (I-): ≤0.001%, phosphate (PO43-): ≤0.0005%, sulfate (SO42-): ≤0.05%

cation traces

Al: ≤0.0005%, As: ≤0.0001%, Ba: ≤0.0005%, Bi: ≤0.0005%, Ca: ≤0.002%, Cd: ≤0.0005%, Co: ≤0.0005%, Cr: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.0001%, K: ≤0.005%, Li: ≤0.0005%, Mg: ≤0.0005%, Mn: ≤0.0005%, Mo: ≤0.0005%, Ni: ≤0.0005%, Pb: ≤0.0005%, Sr: ≤0.0005%, Zn: ≤0.0005%

absorption

≤0.01 at 260, ≤0.01 at 280 in H2O at 1 M

λ

(260 nm Amax: ≤ 0.01)

application(s)

genome editing
microbiology

SMILES string

[Na+].[Cl-]

InChI

1S/ClH.Na/h1H;/q;+1/p-1

InChI key

FAPWRFPIFSIZLT-UHFFFAOYSA-M

General description

氯化钠又称石盐,是自然界最常见的矿物质之一。它是一种公认的电解质,可通过控制渗透压和水平衡,维持细胞完整性和体内平衡。由于具有抗菌特性,氯化钠在食品工业广泛用作食品添加剂和防腐剂。还可将其加入实验室缓冲液,增加离子强度。NaCl 也可用于 DNA 提取。钠和氯是生物机能中的主要电解质。

Application

氯化钠已用于:
  • 配制PBS(磷酸盐缓冲盐水)溶液。[1]
  • 气管软骨组织样品脱细胞前的预处理。[2]
  • 作为细菌培养用胰蛋白酶大豆琼脂培养基的成分。
  • 配制裂解缓冲液。
这种物质还可与碳酸氢钠配合使用,以调节体液酸碱平衡。

Features and Benefits

通过微量元素杂质测试,确保高纯度。

Other Notes

如需了解生化试剂系列的更多信息,请填写此表

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本產品
71380-M20443931434-M
form

powder

form

solid

form

solid

form

solid

solubility

H2O: 1 M, clear, colorless

solubility

water: soluble

solubility

water: soluble (358 g/l at 20 °C (68 °F))

solubility

water: soluble 100 mg/mL, clear, colorless

assay

≥99.5% (AT)

assay

≥99.5% (AT)

assay

99.999% trace metals basis

assay

≥99.5%

Quality Level

200

Quality Level

100

Quality Level

200

Quality Level

-

cation traces

Al: ≤0.0005%, Ba: ≤0.0005%, Ca: ≤0.002%, Co: ≤0.0005%, Cu: ≤0.0005%, K: ≤0.005%, Mg: ≤0.0005%, Mo: ≤0.0005%, Pb: ≤0.0005%, Zn: ≤0.0005%, As: ≤0.0001%, Cd: ≤0.0005%, Fe: ≤0.0001%, Mn: ≤0.0005%, Sr: ≤0.0005%, Bi: ≤0.0005%, Li: ≤0.0005%, Cr: ≤0.0005%, Ni: ≤0.0005%

cation traces

As: ≤0.1 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤1 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg, heavy metals: ≤5 ppm (by ICP-OES)

cation traces

-

cation traces

Al: ≤0.00002%, As: ≤0.00005%, Ba: ≤0.001%, Ca: ≤0.002%, Fe: ≤0.0001%, K: ≤0.005%, Mg: ≤0.0005%, heavy metals: ≤3 mg/kg (by ICP-OES)

mp

801 °C (lit.)

mp

801 °C (lit.)

mp

801 °C (lit.)

mp

801 °C (lit.)


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存儲類別/等級

13 - Non Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



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分析證明 (COA)

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Questions

1–2 of 2 Questions  
  1. 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/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. 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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