The distinctive smell is caused by the presence of triethylamine. Even a small amount of TMA, slightly above 50 ppb, can give the entire product its characteristic odor. Despite the odor, the product can still be used.
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| Para você/SKU | Disponibilidade | Preço |
|---|---|---|
1 L | Disponível para envio HOJEdeCajamar | R$ 193,00 |
4 L | Disponível para envio HOJEdeCajamar | R$ 273,00 |
2 L | Disponível para envio HOJEdeCajamar | R$ 636,00 |
2.5 L | Disponível para envio HOJEdeCajamar | R$ 699,00 |
Sobre este item
Nome do produto
Metanol, suitable for HPLC, ≥99.9%
grade
HPLC grade
Quality Segment
vapor density
1.11 (vs air)
vapor pressure
410 mmHg ( 50 °C), 97.68 mmHg ( 20 °C)
assay
≥99.9%
form
liquid
autoignition temp.
725 °F
expl. lim.
36 %
technique(s)
HPLC: suitable, immunofluorescence: suitable
impurities
≤0.0005% non-volatile matter, ≤1 ppb fluorescence (quinine) at 254 nm, ≤1 ppb fluorescence (quinine) at 365 nm, <0.03% water (Karl Fischer)
evapn. residue
<0.0005%
color
APHA: ≤10
refractive index
n20/D 1.329 (lit.)
bp
64.7 °C (lit.)
mp
−98 °C (lit.)
density
0.791 g/mL at 25 °C (lit.)
λ
neat
UV absorption
λ: 205 nm Amax: ≤1.00, λ: 210 nm Amax: ≤0.60, λ: 220 nm Amax: ≤0.30, λ: 230 nm Amax: ≤0.20, λ: 235 nm Amax: ≤0.10, λ: 240 nm Amax: ≤0.10, λ: 260 nm Amax: ≤0.04, λ: 280 nm Amax: ≤0.01, λ: 400 nm Amax: ≤0.01
SMILES string
CO
application(s)
PFAS testing
food and beverages
format
neat
InChI
1S/CH4O/c1-2/h2H,1H3
InChI key
OKKJLVBELUTLKV-UHFFFAOYSA-N
General description
Application
Ele pode ser usado nos seguintes estudos:
- Ensaio com fibroblastos de unidades formadoras de colônias de células mononucleares de medula óssea.
- Como solvente para o preparo de extratos de hifas de Aspergillus para estimativa de gliotoxina por HPLC de fase reversa.
- Estudos de imunofluorescência.
- Para compor o eluente para o isolamento de nucleotídeos e seus produtos de decomposição por HPLC de fase reversa de pares iônicos.
Packaging
Preparation Note
Other Notes
- O artigo número 34860-4X2.5L-R será descontinuado. Encomende o frasco único 34860-2.5L-R, que é fisicamente idêntico, com exatamente as mesmas especificações.
- O artigo número 34860-6X1L-R será descontinuado. Encomende o frasco único 34860-1L-R, que é fisicamente idêntico, com exatamente as mesmas especificações.
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Este Item | |||
|---|---|---|---|
| description suitable for HPLC, ≥99.9% | description HPLC Plus, ≥99.9% | description suitable for HPLC, gradient grade, ≥99.9% | description HPLC, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs |
| assay ≥99.9% | assay ≥99.9% | assay ≥99.9% | assay ≥99.8% (GC) |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100, 300 |
| technique(s) HPLC: suitable, immunofluorescence: suitable | technique(s) HPLC: suitable | technique(s) HPLC: suitable, immunofluorescence: suitable | technique(s) HPLC: suitable |
| grade HPLC grade | grade HPLC Plus | grade gradient grade | grade HPLC grade |
| application(s) PFAS testing | application(s) PFAS testing | application(s) food and beverages | application(s) PFAS testing |
| form liquid | form liquid | form liquid | form liquid |
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signalword
Danger
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1
target_organs
Eyes,Central nervous system
Classe de armazenamento
3 - Flammable liquids
flash_point_f
49.5 °F - closed cup
flash_point_c
9.7 °C - closed cup
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Product 34860 has an unpleasant fishy odor. What are the possible causes of this odor? Can we still use the product despite the odor?
1 answer-
Helpful?
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What apparatus do you recommend for HPLC solvent filtration?
1 answer-
The Sigma-Aldrich Vacuum Filtration Assembly gives you all the components you need including: funnel top, fritted glass funnel support, filtration flask, aluminum clamp, and silicone stopper. The Acrodisc Syringe Filters offer high quality filtration for analytical samples, certified for HPLC to ensure low extractable and available in a broad range of membranes to meet sample compatibility requirements.
Helpful?
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Can you recommend a Solvent Extractor for organics from aqueous solution?
1 answer-
Solvent extractors are often used for the quantitative extraction of organics from aqueous solutions and separations in immunoassays. The MIXXOR system has been applied successfully in many laboratory solvent extraction operations and is ideal for the rapid screening of alternative solvents for specific extraction problems.
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Why on occasion does Product 34860, Methanol, have an unusual odor? Does it affect the product purity or performance?
1 answer-
Industry research has indicated that unusual odors in methanol are a common problem and stem from low - level mercaptans and / or amines found in the natural gas raw materials used in production. Odors from these types of compounds can be noticeable at low part per million (ppm) levels and have not been shown to have any negative impact on product performance at these concentrations.
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What is the Department of Transportation shipping information for this product?
1 answer-
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.
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What are the options for drying solvents?
1 answer-
Sigma-Aldrich offers a full range of high-purity solvents with extremely low water levels specifically manufactured for moisture sensitive Organic and Biotech applications. Sigma-Aldrich also carries various drying agents such as molecular sieves, which are typically compatible with organic solvents.
Helpful?
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Who do I contact about larger solvent volume needs?
1 answer-
Email us at labessentials@sial.com or visit Sigma-Aldrich Fine Chemicals for development and manufacturing-scale inquiries: safcglobal@sial.com
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