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Safety Information

HT901

Sigma-Aldrich

Crystal Violet Solution

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About This Item

Empirical Formula (Hill Notation):
C25H30ClN3
CAS Number:
Molecular Weight:
407.98
Beilstein:
3580948
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

form

solution

Quality Level

shelf life

Expiry date on the label

IVD

for in vitro diagnostic use

concentration

2.3%

pH

4.6

application(s)

hematology
histology

storage temp.

room temp

SMILES string

[Cl-].CN(C)c1ccc(cc1)\C(c2ccc(cc2)N(C)C)=C3/C=C\C(C=C3)=[N+](/C)C

InChI

1S/C25H30N3.ClH/c1-26(2)22-13-7-19(8-14-22)25(20-9-15-23(16-10-20)27(3)4)21-11-17-24(18-12-21)28(5)6;/h7-18H,1-6H3;1H/q+1;/p-1

InChI key

ZXJXZNDDNMQXFV-UHFFFAOYSA-M

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Application

Kit component of Gram Stain kits HT90A and HT90T (for staining of heat-fixed films and tissue, respectively).

Components

HT901 is composed of 2.3% certified crystal violet, 0.1% ammonium oxalate monohydrate, and 20% ethyl alcohol, SD3A.

Signal Word

Warning

Hazard Statements

Hazard Classifications

Aquatic Chronic 3 - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 3

WGK

WGK 2

Flash Point(F)

100.0 °F

Flash Point(C)

37.8 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

监管及禁止进口产品

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’.

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. Is Product HT901, Crystal violet solution, used as part of a kit?

    Although available separately, this solution is also a component of Gram Stain kits HT90A and HT90T (for staining of heat-fixed films and tissue, respectively).

  4. Is Product HT901, Crystal violet solution, suitable for colony staining, migration or plaque staining?

    We recommend Product No. C0775 (Crystal Violet, certified by the Biological Stain Commission), or Product No. 93770 (Tuerk's solution) for these stains, rather than diluting down the relatively high concentration of Crystal Violet (2.3%) in HT901 to approximately 0.1%.  Product HT901 was formulated for use in the Gram Stain procedure. The product's performance has not been tested for use in colony staining, migration or plaque assays.

  5. What is the formulation of Product HT901, Crystal violet solution?

    HT901 is composed of:certified Crystal Violet, 2.3%Ammonium Oxalate, 0.1%20% denatured ethyl alcohol.

  6. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  7. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

W R Richter et al.
Journal of applied microbiology, 128(4), 1050-1059 (2019-11-30)
The purpose of this study was to evaluate the effects of altered environmental conditions on the persistence of Francisella tularensis bacteria and Venezuelan equine encephalitis virus (VEEV), on two material types. Francisella tularensis (F.t.) and VEEV were inoculated (c. 1 × 108 colony-forming
Chunmin Ge et al.
Hepatology (Baltimore, Md.), 69(6), 2608-2622 (2019-01-30)
Replication fork stability during DNA replication is vital for maintenance of genomic stability and suppression of cancer development in mammals. ATR (ataxia-telangiectasia mutated [ATM] and RAD3-related) is a master regulatory kinase that activates the replication stress response to overcome replication
Kai-Feng Hung et al.
International journal of biological sciences, 15(5), 1080-1090 (2019-06-12)
Up-regulation of ASB6 has been previously associated with late-stage and poor prognosis of oral squamous cell carcinoma (OSCC) patients. To explore the cellular and molecular basis of how ASB6 enhances the malignancy of OSCC, we employed the clonogenicity and migration
Danuta Martuszewska et al.
PloS one, 4(2), e4350-e4350 (2009-02-06)
The Tensin family of intracellular proteins (Tensin1, -2, -3 and -4) are thought to act as links between the extracellular matrix and the cytoskeleton, and thereby mediate signaling for cell shape and motility. Dysregulation of Tensin expression has previously been
Hansjörg Hufnagel et al.
Molecular therapy : the journal of the American Society of Gene Therapy, 17(8), 1411-1417 (2009-06-18)
The understanding of internalization pathways of lipo- or polyplexes is crucial for engineering successful reagents for nonviral gene transfection. A known inhibitor of fluid phase endocytosis (FPE), rottlerin, was used to quantify the contribution of this pathway by flow cytometric

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