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252476

Sigma-Aldrich

Lactic acid solution

ACS reagent, ≥85%

Sinonimo/i:

2-Hydroxypropionic acid solution, DL-Lactic acid solution

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100 G
34,80 €
500 G
80,30 €
1 KG
128,00 €
2.5 KG
262,00 €

34,80 €

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Cambia visualizzazione
100 G
34,80 €
500 G
80,30 €
1 KG
128,00 €
2.5 KG
262,00 €

About This Item

Formula condensata:
CH3CH(OH)CO2H
Numero CAS:
50-21-5
Peso molecolare:
90.08
Beilstein:
5238667
Numero MDL:
MFCD00004520
Codice UNSPSC:
12352100
ID PubChem:
24855212
NACRES:
NA.21

34,80 €

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Grado

ACS reagent

Livello qualitativo

200

Saggio

85.0-90.0%

Concentrazione

≥85%
85.0-90.0% in H2O

Impurezze

H2SO4, passes test (darkened)

Residuo alla calcinazione

≤0.02%

Indice di rifrazione

n20/D 1.4251

Densità

1.209 g/mL at 25 °C

Anioni in tracce

chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.002%

Cationi in tracce

Fe: ≤5 ppm
heavy metals: ≤5 ppm (by ICP)

Gruppo funzionale

carboxylic acid
hydroxyl

Stringa SMILE

CC(O)C(O)=O

InChI

1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)
JVTAAEKCZFNVCJ-UHFFFAOYSA-N

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Applicazioni

Lactic acid solution has been used in the preparation of poly(lactic acid) (PLA)/lactic acid (LA) blends to enhance the biodegradability rate of PLA.[1]

Altre note

Contains varying amounts of intermolecular esterification products.

Pittogrammi

Corrosion
GHS05

Avvertenze

Danger

Indicazioni di pericolo

H314

Classi di pericolo

Eye Dam. 1 - Skin Corr. 1C

Rischi supp

EUH071

Codice della classe di stoccaggio

8A - Combustible corrosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Scegli una delle versioni più recenti:

Certificati d'analisi (COA)

Lot/Batch Number
0000379048
0000379048
MKCW0260
MKCV5025
0000223203

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Biodegradability of poly (lactic acid)(PLA)/lactic acid (LA) blends using anaerobic digester sludge
Lee JC, et al
Macromolecular Research, 24(8), 741-747 (2016)
A literature review of poly (lactic acid).
Garlotta D.
Journal of Polymers and the Environment, 9(2), 63-84 (2001)
Kwon et al.
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Batch fermentation studies were performed to evaluate the potentials of a complex nitrogen source, soybean, as an alternative to yeast extract for the economical production of lactic acid by Lactobacillus rhamnosus. An enzyme-hydrolysate of soybean meal, Soytone, with an adequate
L (+) lactic acid fermentation and its product polymerization.
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Processed fish roes are acquiring considerable importance in the modern food market, entering more and more often as an ingredient in food preparation and as caviar substitutes. In this study, we defined quality, traceability and safety issues related to processed
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Domande

1–4 di 4 domande  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 risposta

    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

      Utile?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 risposta

    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

      Utile?

  3. 해당 제품의 농도를 나타내는 80-90%는 질량기준인지 부피 기준인지 알려주시면 감사하겠습니다.

    1 risposta

    1. The product concentration is 85.0 to 90.0% and this is on an m/m basis.

      Utile?

  4. 유통기한이 보통 얼마나 될까요? 예전에 구비하고 사용을 오래 안 해서 재구매 해야 할지 검토 중입니다.

    1 risposta

    1. This product is not assigned an expiration date or recommended retest date. Products with no expiration date or recommended retest date should be routinely inspected by customers to ensure they perform as expected. These products are also subject to a one-year warranty from the date of shipment. For more information, you may access the "Product Dating Information" document under "ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS" at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/life-science/quality-and-regulatory-management/quality-services.

      Utile?

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