মিথানল: বিভিন্ন সংশোধনসমূহৰ মাজৰ পাৰ্থক্য

No edit summary
টেগ্‌: ম'বাইল সম্পাদনা ম'বাইল ৱে'ব সম্পাদনা
No edit summary
1 নং শাৰী:
{{Chemistry stub}}
{{Chembox
[[File:Methanol Lewis.svg|thumb|মিথানল লিৱিছ]]
| pronounce = {{IPAc-en|ˈ|m|ɛ|θ|ə|n|ɒ|l}}
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 409752739
| Name =
| ImageFile =
| ImageFileL1 = Methanol Lewis.svg
| ImageNameL1 = Skeletal formula of methanol with some explicit hydrogens added
| ImageFileR1 = Methanol-3D-vdW.png
| ImageNameR1 = Spacefill model of methanol
| ImageFileL2 = Methanol-2D.png
| ImageNameL2 = Stereo skeletal formula of methanol with all explicit hydrogen added
| ImageFileR2 = Methanol-3D-balls.png
| ImageNameR2 = Ball and stick model of methanol
| ImageFile3 = Methanol by Danny S. - 001.JPG
| ImageName3 = sample of Methanol
| PIN = Methanol<ref name=iupac2013>{{cite book | title =Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book) | publisher = The [[Royal Society of Chemistry]] | date = 2014 | location = Cambridge | page = 692 | doi = 10.1039/9781849733069-00648 | isbn = 978-0-85404-182-4 }}</ref>
| SystematicName =
| OtherNames = Carbinol<br />Columbian spirits<br/> Hydroxymethane<br />MeOH<br />Methyl alcohol<br />Methyl hydroxide<br />Methylic alcohol<br />Methylol<br />Methylene hydrate<br />Pyroligneous spirit<br/>Wood alcohol<br/>Wood naphtha<br/>Wood spirit
| IUPACName =
| Section1 = {{Chembox Identifiers
| CASNo = 67-56-1
| CASNo_Ref = {{cascite|correct|CAS}}
| PubChem = 887
| ChemSpiderID = 864
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| UNII = Y4S76JWI15
| UNII_Ref = {{fdacite|correct|FDA}}
| EINECS = 200-659-6
| UNNumber = 1230
| KEGG = D02309
| KEGG_Ref = {{keggcite|correct|kegg}}
| MeSHName = Methanol
| ChEBI_Ref = {{ebicite|correct|EBI}}
| ChEBI = 17790
| ChEMBL = 14688
| ChEMBL_Ref = {{ebicite|correct|EBI}}
| RTECS = PC1400000
| Beilstein = 1098229
| Gmelin = 449
| 3DMet = B01170
| SMILES = CO
| StdInChI = 1S/CH4O/c1-2/h2H,1H3
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| InChI = 1/CH4O/c1-2/h2H,1H3
| StdInChIKey = OKKJLVBELUTLKV-UHFFFAOYSA-N
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| InChIKey = OKKJLVBELUTLKV-UHFFFAOYAX
}}
| Section2 = {{Chembox Properties
| Formula = {{chem|CH|3|OH}} or {{chem|CH|4|O}}
| MolarMass = 32.04 g mol<sup>−1</sup>
| Appearance = Colourless liquid
| Odor = Sweet and pungent
| Density = 0.792 g/cm<sup>3</sup><ref>{{RubberBible86th}}</ref>
| BoilingPtC = 64.7
| MeltingPtC = −97.6
| Solubility = [[Miscibility|miscible]]
| RefractIndex = 1.33141<ref>{{Cite web|url=http://refractiveindex.info/?group=LIQUIDS&material=Methanol|title=RefractiveIndex.INFO – Refractive index database|website=refractiveindex.info}}</ref>
| VaporPressure = 13.02 kPa (at 20&nbsp; °C)
| LogP = −0.69
| pKa = 15.5<ref>{{cite journal | last1 = Ballinger | first1 = P. | last2 = Long | first2 = F. A. | year = 1960 | title =Acid Ionization Constants of Alcohols. II. Acidities of Some Substituted Methanols and Related Compounds | journal = J. Am. Chem. Soc. | volume = 82 | issue = 4 | pages = 795–798 | doi = 10.1021/ja01489a008 }}</ref>
| ConjugateAcid = Methyloxonium<ref>{{cite web |title=Methyloxonium |url=https://pubchem.ncbi.nlm.nih.gov/compound/12660727 |website=pubchem.ncbi.nlm.nih.gov |access-date=21 December 2018 }}</ref>
| ConjugateBase = [[Methoxide#Methoxide ion|Methanolate]]<ref>{{cite web |title=Methanolate |url=https://pubchem.ncbi.nlm.nih.gov/compound/3826051#section=Top |website=pubchem.ncbi.nlm.nih.gov |access-date=21 December 2018 |quote=Methoxide is an organic anion that is the conjugate base of methanol. ... It is a conjugate base of a methanol.}}</ref>
| Viscosity = 0.545 mPa·s (at 25&nbsp; °C)<ref>{{cite journal | last1 = González | first1 = Begoña | year = 2007 | title = Density, dynamic viscosity, and derived properties of binary mixtures of methanol or ethanol with water, ethyl acetate, and methyl acetate at ''T'' = (293.15, 298.15, and 303.15) K | journal = The Journal of Chemical Thermodynamics | volume = 39 | issue = 12 | pages = 1578–1588 | doi = 10.1016/j.jct.2007.05.004}}</ref>
| Dipole = 1.69 D
| MagSus = −21.40·10<sup>−6</sup> cm<sup>3</sup>/mol
}}
| Section3 = {{Chembox Thermochemistry
| Thermochemistry_ref =
| HeatCapacity =
| Entropy =
| DeltaHform =
| DeltaGfree =
| DeltaHcombust =
| DeltaHfus =
| DeltaHvap =
| DeltaHsublim =
| HHV =725.7 kJ/mol, 173.4 kcal/mol, 5.77 kcal/g
| LHV =
}}
| Section4 = {{Chembox Hazards
| ExternalSDS = [https://www.biomcn.eu/wp-content/uploads/2014/03/SDS-methanol-20160901.pdf]
| Hazards_ref = <ref name= CDC_card>{{cite web|url=https://www.cdc.gov/niosh/ershdb/EmergencyResponseCard_29750029.html#er|title=The Emergency Response Safety and Health Database: Systematic Agent: METHANOL|publisher=Centers for Disease Control and Prevention|access-date=3 August 2018}}</ref><ref name= PubChem>{{cite web|url=https://pubchem.ncbi.nlm.nih.gov/compound/887#section=Safety-and-Hazards|title=PubChem: Safety and Hazards - GHS Classification|publisher=National Center for Biotechnology Information, U.S. National Library of Medicine}}</ref>
| GHSPictograms = {{GHS flame}} {{GHS skull and crossbones}} {{GHS health hazard}}<ref name=labchem>{{cite web|title=Methanol|url=http://www.labchem.com/tools/msds/msds/VT430.pdf|website=Lab Chem|publisher=Valtech|access-date=10 March 2016}}</ref>
| GHSSignalWord = Danger<ref name=labchem/>
| HPhrases = {{H-phrases|225|301|311|331|370}}<ref name=labchem/>
| PPhrases = {{P-phrases|210|233|240|241|242|243|260|264|270|271|280|301+330+331|310|302+352|312|303+361+353|304+340|311|305+351+338|307+311|337+313|361|363|370+378|403+233|235|405|501}}<ref name=labchem/>
| MainHazards = Methanol and its vapours are flammable.
Moderately [[toxic]] for small animals – Highly toxic to large animals and humans – May be fatal/[[Lethality|lethal]] or cause [[Visual impairment|blindness]] and damage to the [[liver]], [[kidney]]s, and [[heart]] if swallowed – [[Toxicity]] effects from repeated over exposure have an accumulative effect on the [[central nervous system]], especially the [[optic nerve]] – [[Symptom]]s may be delayed, become severe after 12 to 18 hours, and linger for several days after exposure<ref name=":1">Toxicity on [https://pubchem.ncbi.nlm.nih.gov/compound/887#section=Toxicity <nowiki>PubChem</nowiki>]</ref>
| NFPA-H = 1<!--https://www.cdc.gov/niosh/ershdb/EmergencyResponseCard_29750029.html Do not change, discuss on the talk page first-->
| NFPA-F = 3
| NFPA-R = 0
| NFPA_ref = <ref name= CDC_card/><ref name= Methanol_Institute_253>{{cite web |url=http://www.methanol.org/wp-content/uploads/2017/03/Safe-Handling-Manual.pdf |title= Methanol Safe Handling Manual |website= [[Methanol Institute]] |date= 2017 |page= 253 |access-date= 3 August 2018}}</ref>
| FlashPtC = 11 to 12
| AutoignitionPtC = 470
| AutoignitionPt_ref = <ref>{{cite web|url=http://www.methanol.org/Health-And-Safety/Safety-Resources/Health---Safety/Methanex-TISH-Guide.aspx |archive-url=https://web.archive.org/web/20120311081112/http://www.methanol.org/Health-And-Safety/Safety-Resources/Health---Safety/Methanex-TISH-Guide.aspx |url-status=dead |archive-date=11 March 2012 |title=Technical Information & Safe Handling Guide for Methanol |publisher= [[Methanex]] Corporation }}</ref><br>
{{convert|385|C |F K}}<ref name= Methanol_Institute>{{cite web |url=http://www.methanol.org/wp-content/uploads/2017/03/Safe-Handling-Manual.pdf |title= Methanol Safe Handling Manual |website= [[Methanol Institute]] |date= 2017 |page=243 |access-date=3 August 2018}}</ref>
| ExploLimits = 6–36%<ref name=PGCH/>
| PEL = TWA 200 ppm (260 mg/m<sup>3</sup>)<ref name=PGCH>{{PGCH|0397}}</ref>
| IDLH = 6000 ppm<ref name=PGCH/>
| LC50 = 64,000 ppm (rat, 4&nbsp; h)<ref name=IDLH>{{IDLH|67561|Methanol}}</ref>
| LD50 = 5628 mg/kg (rat, oral)<br/>7300 mg/kg (mouse, oral)<br/>12880 mg/kg (rat, oral)<br/>14200 mg/kg (rabbit, oral)<ref name=IDLH/>
| REL = TWA 200 ppm (260 mg/m<sup>3</sup>) ST 250 ppm (325 mg/m<sup>3</sup>) [skin]<ref name=PGCH/>
| LCLo = 33,082 ppm (cat, 6&nbsp; h)<br/>37,594 ppm (mouse, 2&nbsp; h)<ref name=IDLH/>
}}
| Section5 = {{Chembox Related
| OtherCompounds = [[Methanethiol]]<br />[[Silanol]]<br />[[Ethanol]]
}}
| Section6 =
}}
'''মিথানল''' বা '''মিথাইল এলক’হল''' ({{Lang-en|Methanol or Methyl Alcohol}}) হৈছে এবিধ ৰাসায়নিক পদাৰ্থ তথা সৰলতম এলক’হল যাৰ আণৱিক সংকেত CH<sub>3</sub>OH। ইয়াক সংক্ষেপে MeOH হিচাপে লিখা হয়। মিথানল এবিধ পাতল, উদ্বায়ী, বৰণহীন, জ্বলনশীল তৰল যাৰ [[ইথানল]]ৰ নিচিনা এক বিশেষ সুৰাৰ গোন্ধ আছে।<ref name="ershdb">{{cite web
| last = National Institute for Occupational Safety and Health
"https://as.wikipedia.org/wiki/মিথানল"ৰ পৰা অনা হৈছে