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Helium
Hydrogen, rare gases, nitrogen and oxygen
Chemicals-inorganic
Y - Indicates information is in the hazardous materials information resource system (hmirs).
PMICA - Item does not contain precious metal.
CRITL- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Questions & Answers: |
|
| What are the historical prices recorded for this stock number? | |
| No pre-dated pricing for this NSN could be found. | |
| Does NSN 6830-00-397-2793 have a shelf life? | |
| No. There is no shelf life applicable for this NSN. | |
| What NATO entities are users of this NSN? | |
| National Aeronautics and Space Administration | |
| What is the NIIN of NSN 6830-00-397-2793? | |
| 003972793 or 00-397-2793 | |
| Does NSN 6830-00-397-2793 require demilitarization? | |
| Yes - ITAR Controlled | |
| What is the most recent solicitation for NSN 6830-00-397-2793? | |
| No solicitations for this NSN. | |
| When was this national stock number assigned to the federal catalog? | |
| Apr 18, 1974 | |
Effects of overexposure: eye/skin: damage or burn from liquid contact.
vapors: dizzy,nausea,loss of consciousness or death.
First aid: eye/skin: flood frozen tissue with tepid
water(105-115f/41-46c),consult physician. Inhalation: remove from
area,give artif resp if needed,call physician.
Boiling pt: b.P. Text: -452f,-269c
melt/freeze pt: m.P/f.P text: -458f,-272c
vapor density: 0.0114@32f
spec gravity: 0.138 @ 32f
evaporation rate & reference: not known
solubility in water: 0.861% @ 68f
appearance and odor: helium is colorless and odorless in both gaseous
and liquid states.
Stability indicator/materials to avoid: yes
none.
stability condition to avoid: none.
Waste disposal methods: comply with local,state and federal regulations.
disclaimer (provided with this information by the compiling agencies):
this information is formulated for use by elements of the department
of defense. the united states of america in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.
Ingred name: helium; (inert gas)
cas: 7440-59-7
rtecs #: mh6520000
osha pel: n/k
acgih tlv: n/k
ingred name: supdat: to air prods w/residual press, cyl valve tightly
clsd & valve cap in place.
rtecs #: 9999999zz
ingred name: other prec: flow into stor cntnr. Avoid dragging,
rolling/sliding cyls, even for short dist. Use suitable hand (ing
4)
rtecs #: 9999999zz
ingred name: ing 3: truck. For addnl hndlg rec on compressed gas cyls,
consult compressed gas assoc pamphlet p-1. Store liq (ing 5)
rtecs #: 9999999zz
ingred name: ing 4: cntnrs & cyls in well-vent areas. Keep cyls away from
sources of heat. Stor should not be in heavy traffic (ing 6)
rtecs #: 9999999zz
ingred name: ing 5: areas to pvnt accidental knocking over/dmg from
passing/falling objects. Valve caps should remain on cyls (ing 7)
rtecs #: 9999999zz
ingred name: ing 6: not connected for use. Segregate full & empty cyls.
stor areas should be free of combust matl. Avoid expos (ing 8)
rtecs #: 9999999zz
ingred name: ing 7: to areas where salt/corr chems are present. Gaseous
helium cntnrs meet dot specification/american society (ing 9)
rtecs #: 9999999zz
ingred name: ing 8: of mechanical engineers (asme) codes. Liq helium is
stored in vacuum-insulated cntnrs meeting dot (ing 10)
rtecs #: 9999999zz
ingred name: ing 9: specifications/asme codes. Liq helium in expos piping
can actually cause air to condense & liquefy. (ing 11)
rtecs #: 9999999zz
ingred name: ing 10: nitrogen in this liq can evap more rapidly, leaving
oxyg enriched liq behind. Utilize oxyg-compat (ing 12)
rtecs #: 9999999zz
ingred name: ing 11: insulating matls & minimize expos piping surf areas.
use only metals & matls compat w/extremely low temp.(ing 13)
rtecs #: 9999999zz
ingred name: ing 12: avoid use of carbon steel & other metals which
become brittle @ low temps. Compressed gas cyls should not(ing 14)
rtecs #: 9999999zz
ingred name: ing 13: be refilled except by qualified producers of
compressed gases. Shipment of compressed gas cyl filled (ing 15)
rtecs #: 9999999zz
ingred name: ing 14: w/out permission of owner is violation of federal
law. If oxyg deficient atm are suspected/can occur, (ing 16)
rtecs #: 9999999zz
ingred name: ing 15: use oxyg monitoring equip to test for oxyg deficient
atm.
rtecs #: 9999999zz
ingred name: vent: normal concentration of helium in work areas.
rtecs #: 9999999zz
Routes of entry: inhalation: yes skin: no ingestion: no
reports of carcinogenicity: ntp: no iarc: no osha: no
health hazards acute and chronic: helium is an inert (non-toxic) gas.
its danger is that of a simple asphyxiant.
effects of overexposure: only exposure appropriate is inhalation;
symptoms are those of oxygen deprivation. Drowsiness,etc.
medical cond aggravated by exposure: none
First aid: inhaled: remove to fresh air. Treat with oxygen/cpr. Get
medical attention.
Hcc: g3
boiling pt: b.P. Text: -452f/-269c
decomp temp: decomp text: none
vapor pres: 2490 psig
vapor density: 0.138
spec gravity: 0.147
solubility in water: 0.861 cm3/100 ml
appearance and odor: colorless,odorless gas *triple point =
-455.6f/-270.9c
percent volatiles by volume: 100
Stability indicator/materials to avoid: yes
inert gas - none
stability condition to avoid: none
hazardous decomposition products: none
Waste disposal methods: allow to dissipate.
disclaimer (provided with this information by the compiling agencies):
this information is formulated for use by elements of the department
of defense. the united states of america in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.
Ingred name: helium
cas: 7440-59-7
rtecs #: mh6520000
fraction by wt: 99%+
Ld50 lc50 mixture: simple asphyxiant
routes of entry: inhalation: yes skin: no ingestion: no
reports of carcinogenicity: ntp: no iarc: no osha: no
health hazards acute and chronic: acute: asphyxiant. Moderate
concentrations may cause headache, drowsiness, dizziness,
excitation, excess salivation, vomiting and unconsciousness.
chronic: no evidence of adverse effects from availabl e
information.
explanation of carcinogenicity: not listed.
effects of overexposure: inhalation: asphyxiant. Moderate concentrations
may cause headache, drowsiness, dizziness, excitation, excess
salivation, vomiting and unconsciousness.
medical cond aggravated by exposure: overexposure is unlikely to
aggravate existing medical conditions.
First aid: inhalation: remove to fresh air. Give artificial respiration
if not breathing. Give oxygen if breathing is difficult. Call a
physician. Eyes: flush with water. Skin: wash with soap and water.
not to phy sician: there is no specific antidote. This product is
inert. Treatment of overexposure should be directed at the control
of symptoms and the clinical condition.
Hcc: g3
boiling pt: b.P. Text: -452f,-269c
vapor pres: gas
vapor density: 0.138
spec gravity: gas
solubility in water: negligible
appearance and odor: colorless gas at normal temperature and pressure;
odorless.
percent volatiles by volume: 100
Stability indicator/materials to avoid: yes
none currently known. Helium is chemically inert.
stability condition to avoid: high temperatures above 125f.
hazardous decomposition products: none
Waste disposal methods: slowly release into atmosphere outdoors. Discard
any product, residue, disposable container or liner in an
environmentally acceptable manner, in full compliance with
federal,state and local regulation s.
disclaimer (provided with this information by the compiling agencies):
this information is formulated for use by elements of the department
of defense. the united states of america in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.
Ingred name: helium
cas: 7440-59-7
rtecs #: mh6520000
fraction by wt: 100%
osha pel: simple asphyxiant
acgih tlv: simple asphyxiant