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199257

Sigma-Aldrich

L-(+)-Lactic acid solution

in H2O, ≥85%

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Synonym(s):
(S)-(+)-Lactic acid, (S)-2-Hydroxypropionic acid
Linear Formula:
CH3CH(OH)CO2H
CAS Number:
Molecular Weight:
90.08
Beilstein/REAXYS Number:
1720251
MDL number:
PubChem Substance ID:
NACRES:
NA.25

assay

≥85%

optical activity

[α]20/D −13.5°, c = 2.5 in 1.5 M NaOH

concentration

in H2O

refractive index

n20/D 1.427

density

1.206 g/mL at 25 °C

SMILES string

C[C@H](O)C(O)=O

InChI

1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)/t2-/m0/s1

InChI key

JVTAAEKCZFNVCJ-REOHCLBHSA-N

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1 of 4

This Item
27714L187569780
vibrant-m

199257

L-(+)-Lactic acid solution

vibrant-m

27714

L-(+)-Lactic acid solution

vibrant-m

L1875

L-(+)-Lactic acid solution

vibrant-m

69780

L-(+)-Lactic acid solution

assay

≥85%

assay

88-92% total acid basis

assay

-

assay

-

refractive index

n20/D 1.427

refractive index

-

refractive index

-

refractive index

-

density

1.206 g/mL at 25 °C

density

-

density

-

density

-

optical activity

[α]20/D −13.5°, c = 2.5 in 1.5 M NaOH

optical activity

-

optical activity

-

optical activity

-

concentration

in H2O

concentration

-

concentration

30% in H2O (by weight)

concentration

~40% in H2O

Other Notes

Contains varying amounts of intermolecular esterification products
Most salts of L-(+)-lactic acid are levorotatory, hence the negative rotation in NaOH solution.

pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1C

supp_hazards

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter


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Ariadna Montero-Blay et al.
Cell reports, 31(9), 107722-107722 (2020-06-04)
Here, we propose an approach to identify active metabolic pathways by integrating gene essentiality analysis and protein abundance. We use two bacterial species (Mycoplasma pneumoniae and Mycoplasma agalactiae) that share a high gene content similarity yet show significant metabolic differences.
Franco Valenza et al.
Critical care (London, England), 9(6), 588-593 (2005-12-17)
Lactate measurement in the critically ill has been traditionally used to stratify patients with poor outcome. However, plasma lactate levels are the result of a finely tuned interplay of factors that affect the balance between its production and its clearance.
T Isotalo et al.
BJU international, 88(1), 30-34 (2001-07-12)
To assess whether patients in acute urinary retention from benign prostatic enlargement can be treated with a combined therapy comprising finasteride and a bioabsorbable self-reinforced poly L-lactic acid (SR-PLLA) urethral stent. Fifty-five patients in acute urinary retention were treated as
Melanie C McKell et al.
Frontiers in immunology, 12, 653571-653571 (2021-06-01)
Macrophages are indispensable immune cells tasked at eliminating intracellular pathogens. Mycobacterium tuberculosis (Mtb), one of the most virulent intracellular bacterial pathogens known to man, infects and resides within macrophages. While macrophages can be provoked by extracellular stimuli to inhibit and
S Walenta et al.
Current medicinal chemistry, 11(16), 2195-2204 (2004-07-29)
A number of studies have demonstrated that malignant transformation is associated with an increase in glycolytic flux and in anaerobic and aerobic cellular lactate excretion. Using quantitative bioluminescence imaging in various primary carcinomas in patients (uterine cervix, head and neck

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