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Scale Removing Compound

NSN: 6850-01-198-6633 | Model: READINESS SPARE PART ITEM

A chemical product designed for removal of material deposited on metal surfaces, usually on interior surfaces such as evaporator tubes and heat exchangers. Excludes scale prevention compounds, inhibitors, and corrosion removing compound.

NSN Properties and Flags
NATO Stock Number
6850-01-198-6633
DEMIL
NO

Pricing and Availability

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NSN 6850-01-198-6633 Datasheet

Supply Class (FSC):
Miscellaneous Chemical Specialties
Cross Reference:
  • READINESS SPARE PART ITEM
  • P-764315-722
Cage Codes:
  • Defense Logistics Agency (CAGE 89875)
  • American Sterilizer Company (CAGE 02964)
Identification:
HMIC

Y - Indicates information is in the hazardous materials information resource system (hmirs).

PMIC

A - Item does not contain precious metal.

Freight Information:
  • NMFC:

    050385 - Compounds water system rust/scale

  • WCC:

    635 - Chemicals, other than drugs or sundries

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    C - Chemical corps items and all other chemicals not covered in other classificatons. note: when an item has a chemical proper shipp

  • LTL:

    Q - 70.0

  • TCC:

    W - Corrosive materials, un class 8 (corrosive label)

NSN Management Codes:
  • SOS
    Sms
  • AAC
    L
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    C2203x-
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $193.02 to $321.71..
Does NSN 6850-01-198-6633 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
What is the NIIN of NSN 6850-01-198-6633?
011986633 or 01-198-6633
Does NSN 6850-01-198-6633 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6850-01-198-6633?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 11, 1985
MSDS

Material Safety

MSDS BTKVM LIQUID DESCALER

Hazards

Ld50 lc50 mixture: oral ld50 (rat) is 1530mg/kg(h*3po*4)
routes of entry: inhalation: yes skin: yes ingestion: yes
reports of carcinogenicity: ntp: no iarc: no osha: no
health hazards acute and chronic: eyes: corrosive.May cause severe
burns.Skin: corrosive.May cause severe burns.Inhal: severe irritant
to nose,throat and lungs.Ingest: corrosive.Will cause severe burns
and tissue damage to the mouth,throa t,esophagus and stomach.

explanation of carcinogenicity: there are no ingredients above 0.1%
which are identified as carcinogens by ntp,iarc or osha.

effects of overexposure: inhal: will cause burning
sensation,coughing,wheezing,bronchitis,pnuemonitis,pulmonary edema.

medical cond aggravated by exposure: persons with pre-existing
respiratory ailments may be at increased risk from exposure.

First Aid

First aid: skin: remove contaminated clothing;wash with water.Eyes: flush
with water for 15 minutes.Inhal: remove to fresh air.Give oxygen or
artificial respiration if needed.Ingest: do not induce vomiting.Get
promp t qualified medical attention.If conscious,give large amounts
of water.

Chemical Properties

Hcc: c1
boiling pt: b.P. Text: 275f,135c
vapor pres: 4
vapor density: 3.4
spec gravity: 1.361
evaporation rate & reference: >1
solubility in water: complete
appearance and odor: liquid;violet;mild characteristic odor

Reactivity

Stability indicator/materials to avoid: no
alkalis,sulfides,sulfites.

stability condition to avoid: temperatures above 275f.

hazardous decomposition products: carbon dioxide,carbon monoxide,oxides
of phosphorous.

Proper Disposal

Waste disposal methods: dispose of in accordance with federal,state and
local regulations.It has been recommended that each user develop a
spill prevention plan(spcc).

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.

Ingredients List

Ingred name: phosphoric acid (sara iii)
cas: 7664-38-2
rtecs #: tb6300000
fraction by wt: 50%
other rec limits: none recommended
osha pel: 1 mg/m3
acgih tlv: 1 mg/m3/3 stel; 9394
epa rpt qty: 5000 lbs
dot rpt qty: 5000 lbs

ingred name: glycolic acid (hydroxyacetic acid)
cas: 79-14-1
rtecs #: mc5250000
fraction by wt: 3%
other rec limits: none recommended

ingred name: water
cas: 7732-18-5
rtecs #: zc0110000
fraction by wt: balance
other rec limits: none recommended