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D138606

Sigma-Aldrich

3,3-Dimethylacrylic acid

97%

Sinônimo(s):

3-Methyl-2-butenoic acid, 3,3-Dimethylacrylic acid, 3-Methylcrotonic acid, Senecioic acid

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About This Item

Fórmula linear:
(CH3)2C=CHCOOH
Número CAS:
541-47-9
Peso molecular:
100.12
Beilstein:
1720305
Número CE:
208-782-7
Número MDL:
MFCD00004366
Código UNSPSC:
12352100
ID de substância PubChem:
24893422
NACRES:
NA.22
Preço e disponibilidade não estão disponíveis no momento.

Nível de qualidade

200

Ensaio

97%

Formulário

solid

p.e.

194-195 °C (lit.)

pf

65-70 °C (lit.)

cadeia de caracteres SMILES

C\C(C)=C\C(O)=O

InChI

1S/C5H8O2/c1-4(2)3-5(6)7/h3H,1-2H3,(H,6,7)

chave InChI

YYPNJNDODFVZLE-UHFFFAOYSA-N

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Categorias relacionadas

Pictogramas

CorrosionExclamation mark
GHS05,GHS07

Palavra indicadora

Danger

Frases de perigo

H315,H318,H335

Classificações de perigo

Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

Órgãos-alvo

Respiratory system

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

200.1 °F - closed cup

Ponto de fulgor (°C)

93.4 °C - closed cup

Equipamento de proteção individual

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análise (COA)

Lot/Batch Number
WXBF0103V
WXBD7787V
WXBD2107V
WXBD5881V
WXBD5039V

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3-Butenoic acid 97%

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3-Butenoic acid

Crotonic acid 98%

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113018

Crotonic acid

Cyclohexanecarboxylic acid 98%

Sigma-Aldrich

101834

Cyclohexanecarboxylic acid

2,2-Dimethylbutyric acid 96%

Sigma-Aldrich

D152609

2,2-Dimethylbutyric acid

3-Methyl-2-butenal ≥97%, FG

Sigma-Aldrich

W364620

3-Methyl-2-butenal

4-Methoxy-α-toluenethiol 90%, technical grade

Sigma-Aldrich

113158

4-Methoxy-α-toluenethiol

Hirofumi Inoue et al.
Biological & pharmaceutical bulletin, 42(5), 845-849 (2019-05-08)
It has been suggested that imbalances in gut microbiota are related to diseases associated with metabolism, the central nervous system, etc. Therefore, analysis of short-chain fatty acids (SCFAs) produced by gut microbiota is very important as an indicator of causation
K Roth et al.
The Journal of pediatrics, 88(2), 229-235 (1976-02-01)
A patient is described in whom lactic acidosis of very severe degree was found to coincide with the presence of beta-methylcrotonic acid and rho-hydroxyphenyllactic acid in urine in large amounts, while beta-hydroxyisovaleric acid was found to be a relatively minor
Nareshbabu Kamatham et al.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 18(10), 2411-2420 (2019-07-28)
ortho-Nitrobenzyl (oNB) triggers have been extensively used to release various molecules of interest. However, the toxicity and reactivity of the spent chromophore, o-nitrosobenzaldehyde, remains an unaddressed difficulty. In this study we have applied the well-established supramolecular photochemical concepts to retain
3-methyl-3-butenoic acid: an artefact in the urinary metabolic pattern of patients with 3-hydroxy-3-methylglutaryl-CoA lyase deficiency.
C Jakobs et al.
Clinica chimica acta; international journal of clinical chemistry, 106(1), 85-89 (1980-09-08)
M Duran et al.
Clinica chimica acta; international journal of clinical chemistry, 90(2), 187-193 (1978-12-01)
The organic acid excretion in a patient with 3-hydroxy-3-methylglutaryl-CoA lyase deficiency is described. In addition to 3-hydroxy-3-methylglutaric, 3-methylglutaconic, 3-methylglutaric and 3-hydroxyisovaleric acids, substantial amounts of glutaric and adipic acids were repeatedly observed. 3-Methylcrotonic acid and possibly one of its isomers
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Questions

1–2 of 2 Questions  

  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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