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
38800
Malachite Green chloride
analytical standard
Synonym(s):
N,N,N′,N′-Tetramethyl-4,4′-diaminotriphenylcarbenium chloride, Basic Green 4, Malachite Green
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$144.75
$144.75
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About This Item
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grade
analytical standard
Quality Level
assay
≥90% (HPLC)
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
application(s)
cleaning products
cosmetics
food and beverages
personal care
format
neat
SMILES string
[Cl-].CN(C)c1ccc(cc1)C(\c2ccccc2)=C3\C=CC(\C=C3)=[N+](\C)C
InChI
1S/C23H25N2.ClH/c1-24(2)21-14-10-19(11-15-21)23(18-8-6-5-7-9-18)20-12-16-22(17-13-20)25(3)4;/h5-17H,1-4H3;1H/q+1;/p-1
InChI key
FDZZZRQASAIRJF-UHFFFAOYSA-M
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1 of 4
This Item | 69669 | 46396 | 78364 |
|---|---|---|---|
| application(s) cleaning products | application(s) cleaning products | application(s) cleaning products | application(s) cleaning products |
| technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| grade analytical standard | grade analytical standard | grade analytical standard | grade analytical standard |
| assay ≥90% (HPLC) | assay ≥98.0% (HPLC) | assay - | assay ≥98.0% (HPLC) |
| shelf life limited shelf life, expiry date on the label | shelf life limited shelf life, expiry date on the label | shelf life limited shelf life, expiry date on the label | shelf life limited shelf life, expiry date on the label |
General description
Application
Packaging
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Repr. 2
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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How can I determine the shelf life / expiration / retest date of this product?
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What are the recommended storage conditions for Malachite Green before and after opening the bottle? If I prepare a stock solution of Malachite Green, can it be stored for future use e? If so, what are the recommended storage conditions.
1 answer-
Neat malachite green should be stored tightly closed and dry at room temperature. The shelf life is 3 years from the quality release date for this product. No data is available on the solution stability for this material.
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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