Date published: 2025-12-5

1-800-457-3801

SCBT Portrait Logo
Seach Input

Disodium methyl arsenate Hexahydrate (CAS 144-21-8)

5.0(1)
Write a reviewAsk a question

See product citations (2)

Alternate Names:
DSMA Hexahydrate
CAS Number:
144-21-8
Molecular Weight:
292.02
Molecular Formula:
CH3AsNa2O36H2O
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

QUICK LINKS

Disodium methyl arsenate Hexahydrate is a chemical compound that is used in various research applications focused on environmental chemistry and toxicology. In environmental studies, it serves as a source of arsenic to simulate contamination events and to study the transport and transformation of arsenic species within soil and groundwater systems. Researchers utilize Disodium methyl arsenate Hexahydrate in bioremediation experiments to investigate the uptake and detoxification mechanisms of arsenic by plants and microbes, as well as to explore the potential for using these organisms in the removal of arsenic from contaminated sites. It is also used in analytical chemistry as a standard for the calibration of instruments and methods designed to detect and quantify arsenic compounds in environmental samples. Additionally, this compound is of interest in the study of the biogeochemical cycling of arsenic and the impact of methylated arsenic species on ecosystems.


Disodium methyl arsenate Hexahydrate (CAS 144-21-8) References

  1. Speciated arsenic concentrations, exposure, and associated health risks for rice and bulgur.  |  Sofuoglu, SC., et al. 2014. Food Chem Toxicol. 64: 184-91. PMID: 24296133
  2. Metabolism and disposition of arsenic species from controlled oral dosing with sodium arsenite in adult female CD-1 mice. I. Pilot study to determine dosing, analytical measurements, and sampling strategies.  |  Twaddle, NC., et al. 2018. Food Chem Toxicol. 111: 482-493. PMID: 29217265
  3. Exposure and risk assessment to arsenic species in Spanish children using biomonitoring.  |  Yusà, V., et al. 2018. Sci Total Environ. 628-629: 302-309. PMID: 29444482
  4. Metabolism and disposition of arsenic species after repeated oral dosing with sodium arsenite in drinking water. II. Measurements in pregnant and fetal CD-1 mice.  |  Twaddle, NC., et al. 2018. Food Chem Toxicol. 115: 178-184. PMID: 29530638
  5. Metabolism and disposition of arsenic species from controlled dosing with sodium arsenite in adult female CD-1 mice. III. Toxicokinetic studies following oral and intravenous administration.  |  Twaddle, NC., et al. 2018. Food Chem Toxicol. 121: 676-686. PMID: 30278242
  6. Metabolism and disposition of arsenic species from oral dosing with sodium arsenite in neonatal CD-1 mice. IV. Toxicokinetics following gavage administration and lactational transfer.  |  Twaddle, NC., et al. 2019. Food Chem Toxicol. 123: 28-41. PMID: 30342114
  7. Metabolism and disposition of arsenic species from controlled dosing with sodium arsenite in adult and neonatal rhesus monkeys. VI. Toxicokinetic studies following oral administration.  |  Twaddle, NC., et al. 2019. Food Chem Toxicol. 133: 110760. PMID: 31421213
  8. Reduction by, ligand exchange among, and covalent binding to glutathione and cellular thiols link metabolism and disposition of dietary arsenic species with toxicity.  |  Doerge, DR., et al. 2020. Environ Int. 144: 106086. PMID: 32889486
  9. Occurrence, Geochemistry and Speciation of Elevated Arsenic Concentrations in a Fractured Bedrock Aquifer System.  |  McGrory, E., et al. 2021. Arch Environ Contam Toxicol. 81: 414-437. PMID: 34519866
  10. Effects of thiolation and methylation on arsenic sorption to geothermal sediments.  |  Yan, K., et al. 2022. Sci Total Environ. 827: 154016. PMID: 35271921

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Disodium methyl arsenate Hexahydrate, 500 mg

sc-257380
500 mg
$125.00

Disodium methyl arsenate Hexahydrate, 1 g

sc-257380A
1 g
$251.00

Disodium methyl arsenate Hexahydrate, 5 g

sc-257380B
5 g
$1153.00

Disodium methyl arsenate Hexahydrate, 10 g

sc-257380C
10 g
$2075.00

Can we order: Disodium methyl arsenate hexahydrate, sc-257380, 500mg? To use as a standard for As-speciation for research. Can we order it from Germany or do we have to order it from Texas? Can you send me a quotation please.

Asked by: Krissy
Thank you for contacting Santa Cruz Biotechnology. For a price quote and ship date please email europe@scbt.com.
Answered by: BlakeJ
Date published: 2024-11-05

I am looking for a quote and lead time for: disodium methyl arsonate 144-21-8. We'd like 10mg but depending on the price up to 50mg. We are using this for a calibration standard at the Canadian Light Source. thanks

Asked by: Julienc11
We currently advertise a minimum purchase quantity of 500 mg. Please contact our Customer Care Department to request a quote and lead time.
Answered by: Technical Support
Date published: 2019-12-07

Buongiorno, stiamo cercando questa molecola con dichiarato esattamente la % di composto e se contiene sodio solfato: è possibile avere un certificato di analisi del prodotto? Il nostro campo è la ricerca e la speciazione dell'arsenico

Asked by: Mirko
Thank you for your question. The % purity and other substances are lot specific. Please contact our technical service to receive a representative certificate of analysis.
Answered by: SCBT Heidelberg Support
Date published: 2019-01-06
  • y_2025, m_11, d_13, h_10CST
  • bvseo_bulk, prod_bvqa, vn_bulk_3.0.42
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_3
  • loc_en_US, sid_257380, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_scbt
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getContent, 110ms
  • QUESTIONS, PRODUCT
Rated 5 out of 5 by from RahmanRahman, MS. et al. (PubMed 8145283) investigated the in vitro percutaneous absorption of Disodium methyl arsenate on female B6C3F1 mice. Found that aqueous solutions provided the greatest absorption. -SCBT Publication Review
Date published: 2015-06-20
  • y_2025, m_11, d_13, h_10
  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.42
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_1
  • loc_en_US, sid_257380, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_scbt
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getReviews, 14ms
  • REVIEWS, PRODUCT
Disodium methyl arsenate Hexahydrate | CAS 144-21-8 is rated 5.0 out of 5 by 1.
  • y_2025, m_11, d_13, h_10
  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.42
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_1
  • loc_en_US, sid_257380, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_scbt
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getAggregateRating, 101ms
  • REVIEWS, PRODUCT